Question 1

Find the range of the set of numbers.
-An electronics store sold the following numbers of satellite dishes over the past nine weeks.

A) 4.9
B) 8
C) 9
D) 2

Accepted Answer

The answer of Find the range of the set of...

Question 2

Find the range of the set of numbers.
-Each of 8 different dogs had a litter of puppies. The litter sizes are given for each dog. $4,6,3,4,5,4,7,3$
A) 7
B) 4
C) 4.5
D) 3

Accepted Answer

The answer of Find the range of the set of...

Question 3

Find the range of the set of numbers.
-Suppose that the following were the amounts you spent on gasoline over the past ten months.

A) $\$ 165$
B) $\$ 88$
C) $\$ 77$
D) $\$ 55$

Accepted Answer

The answer of Find the range of the set of...

Question 4

Find the range of the set of numbers.
-Suppose that the following were the amounts you spent on groceries over the past ten months.

A) $\$ 32$
B) $\$ 16$
C) $\$ 56$
D) $\$ 50$

Accepted Answer

The answer of Find the range of the set of...

Question 5

Solve.
-Here are a student's grades at the end of semester together with the number of credits for the course: Algebra (3) - C; Modern dance (1) - B; Chemistry I (6) - A; Biology I (6) - A. If A = 4, B = $3, \mathrm{C}=2, \mathrm{D}=1$, and $\mathrm{F}=0$, find her grade point average. Round to the nearest tenth if necessary.
A) 3.7
B) 3.6
C) 9.3
D) 2.4

Accepted Answer

The answer of Solve.
-Here are a student's grades at the...

Question 6

Solve.
-The number of members for ten different chapters of an outdoor club are shown below. Find the mean number of members. Round to the nearest tenth if necessary.
$646~546~343~344~571
\
357~355~506~470~482$
A) 462.0
B) 452.9
C) 476.0
D) 471.4

Accepted Answer

To find the mean, add all the numbers together and then divide by the total number of numbers. The sum of the members is $646 + 546 + 343 + 344 + 571 + 357 + 355 + 506 + 470 + 482 = 4620$. There are 10 numbers, so the mean is $4620 \div 10 = 462.0$.

Question 7

Solve.
-A class has 25 students. On a test, 3 students earned a 90, 8 students earned an 80,10 students earned a 70, 3 students earned a 60, and you earned a 75 . How did your score relate to the average (mean) of the class. Explain.
A) The grade was above the class average of 71.6.
B) The grade was exactly the same as the class average of 75 .
C) The grade was below the class average of 77.8.
D) The grade was above the class average of 74.6 .

Accepted Answer

The mean is calculated as (3*90 + 8*80 + 10*70 + 3*60 + 1*75) / 25 = 74.6. Your score of 75 is above this average.

Question 8

Solve.
-A county commission is made up of 15 members. Each member represents a district. The county's total population is 390,000. Joe is a county commissioner and his district has 19,500 people in it. Compare his district size to the average (mean) district size for the county.
A) Joe's district is exactly the same size as the county average.
B) Joe's district is smaller than the county average of 27,300 .
C) Joe's district is smaller than the county average of 26,000 .
D) Joe's district is larger than the county average of 2600 .

Accepted Answer

The answer of Solve.
-A county commission is made up of...

Question 9

Solve.
-There are 8 people in the room. Three weigh more than you and 3 weigh less than you. One person weighs the same as you. Who has the median weight in the room?
A) You and the person who weighs the same as you have the median weight.
B) Only you have the median weight.
C) The heaviest person in the room has the median weight.
D) The weights aren't known, therefore you cannot determine the median weight.

Accepted Answer

Since there are 8 people, and you are in the middle with one person weighing the same as you, both of you represent the median values in an even-numbered set, splitting the group into two equal halves by weight.

Question 10

Solve.
-Your cable bill increased last year. For the first 5 months your bill was $\$ 26.89$ each month. For the remaining 7 months it was $\$ 28.89$ each month. Find the mean amount of your cable bill for the year.
A) $\$ 33.67$
B) $\$ 28.06$
C) $\$ 27.89$
D) $\$ 336.68$

Accepted Answer

To find the mean amount of the cable bill for the year, calculate the total cost for the year and then divide by 12 (the number of months). For the first 5 months, the cost was $5 \times \$26.89 = \$134.45$. For the next 7 months, the cost was $7 \times \$28.89 = \$202.23$. The total cost for the year is $\$134.45 + \$202.23 = \$336.68$. The mean monthly cost is $\$336.68 / 12 = \$28.06$.

Question 11

Solve.
-The following table shows the radius of the each of the moons orbiting a planet named Geo I.

What is the mean radius of the moons? Round to the nearest whole number.
A) $957 \mathrm{mi}$
B) $520 \mathrm{mi}$
C) $311 \mathrm{mi}$
D) $728 \mathrm{mi}$

Accepted Answer

The answer of Solve.
-The following table shows the radius of...

Question 12

Solve.
-The table shows the number of car accidents last year in each of six different towns.

Find the median number of accidents.
A) 199.5
B) 237
C) 212
D) 262

Accepted Answer

The answer of Solve.
-The table shows the number of car...

Question 13

Solve.
-The table shows the monthly revenue (in millions) for a software company for the first nine months of a recent year.

Find the mode of the monthly revenues.
A) $\$ 18.7$ million
B) $18.9 million
C) $\$ 19.3$ million
D) $19.1 million

Accepted Answer

The answer of Solve.
-The table shows the monthly revenue (in...

Question 14

Solve.
-The table shows one family's utility bills for the first nine months of the year.

Find the range.
A) $\$ 513$
B) $\$ 94$
C) $\$ 120$
D) $\$ 508$

Accepted Answer

The answer of Solve.
-The table shows one family's utility bills...

Question 15

Use the table to solve the problem.
-
Find the average distance from Geo I to its moon Luna 1.
A) $415 \mathrm{~km}$
B) $60,000 \mathrm{~km}$
C) $3000 \mathrm{~km}$
D) $3900 \mathrm{~km}$

Accepted Answer

The answer of Use the table to solve the problem.
-
Find...

Question 16

Use the table to solve the problem.
-
What is the time of revolution around Geo 1 of the moon Luna 4 ?
A) 727 years
B) 1.54 years
C) 87.78 years
D) 34.09 years

Accepted Answer

The answer of Use the table to solve the problem.
-
What...

Question 17

Use the table to solve the problem.
-
Which moon has a diameter of 314 kilometers?
A) Luna 1
B) Luna 4
C) Luna 3
D) Luna 2

Accepted Answer

The answer of Use the table to solve the problem.
-
Which...

Question 18

Use the table to solve the problem.
-The following table gives the area of several lakes in acres.

How many times as large as the smallest lake is the largest lake? Round to the nearest hundredth.
A) 0.08 times
B) 821 times
C) 12.25 times
D) 10 times

Accepted Answer

The answer of Use the table to solve the problem.
-The...

Question 19

Use the table to solve the problem.
-The following table gives the road distances between various cities.

How far is Ashland from Grand Junction?
A) 235 miles
B) 224 miles
C) 94 miles
D) 159 miles

Accepted Answer

The answer of Use the table to solve the problem.
-The...

Question 20

Use the table to solve the problem.
-The following table gives the road distances between various cities.

Brownsville is how much closer to San Pedro than to Ashland?
A) 155 miles
B) 83 miles
C) 72 miles
D) 227 miles

Accepted Answer

The answer of Use the table to solve the problem.
-The...

Quiz 8: Basic Statistics

Find the range of the set of numbers. -An electronics store sold the following numbers of satellite dishes over the past nine weeks.

Find the range of the set of numbers. -Each of 8 different dogs had a litter of puppies. The litter sizes are given for each dog. $4,6,3,4,5,4,7,3$

Find the range of the set of numbers. -Suppose that the following were the amounts you spent on gasoline over the past ten months. $Find the range of the set of numbers. -Suppose that the following were the amounts you spent on gasoline over the past ten months. A) \$ 165 B) \$ 88 C) \$ 77 D) \$ 55$

Solve. -The number of members for ten different chapters of an outdoor club are shown below. Find the mean number of members. Round to the nearest tenth if necessary. $646~546~343~344~571\\357~355~506~470~482$

Solve. -A class has 25 students. On a test, 3 students earned a 90, 8 students earned an 80,10 students earned a 70, 3 students earned a 60, and you earned a 75 . How did your score relate to the average (mean) of the class. Explain.

Solve. -A county commission is made up of 15 members. Each member represents a district. The county's total population is 390,000. Joe is a county commissioner and his district has 19,500 people in it. Compare his district size to the average (mean) district size for the county.

Solve. -There are 8 people in the room. Three weigh more than you and 3 weigh less than you. One person weighs the same as you. Who has the median weight in the room?

Solve. -Your cable bill increased last year. For the first 5 months your bill was $\$ 26.89$ each month. For the remaining 7 months it was $\$ 28.89$ each month. Find the mean amount of your cable bill for the year.

Solve. -The table shows the number of car accidents last year in each of six different towns. Find the median number of accidents.

Solve. -The table shows one family's utility bills for the first nine months of the year. $Solve. -The table shows one family's utility bills for the first nine months of the year. Find the range. A) \$ 513 B) \$ 94 C) \$ 120 D) \$ 508$ Find the range.

Use the table to solve the problem. - $Use the table to solve the problem. - Find the average distance from Geo I to its moon Luna 1. A) 415 \mathrm{~km} B) 60,000 \mathrm{~km} C) 3000 \mathrm{~km} D) 3900 \mathrm{~km}$ Find the average distance from Geo I to its moon Luna 1.

Use the table to solve the problem. - What is the time of revolution around Geo 1 of the moon Luna 4 ?

Use the table to solve the problem. - Which moon has a diameter of 314 kilometers?

Use the table to solve the problem. -The following table gives the area of several lakes in acres. How many times as large as the smallest lake is the largest lake? Round to the nearest hundredth.

Use the table to solve the problem. -The following table gives the road distances between various cities. How far is Ashland from Grand Junction?

Use the table to solve the problem. -The following table gives the road distances between various cities. Brownsville is how much closer to San Pedro than to Ashland?

Quiz 8: Basic Statistics

Find the range of the set of numbers. -An electronics store sold the following numbers of satellite dishes over the past nine weeks.

Find the range of the set of numbers. -Each of 8 different dogs had a litter of puppies. The litter sizes are given for each dog. 4,6,3,4,5,4,7,34,6,3,4,5,4,7,34,6,3,4,5,4,7,3

Find the range of the set of numbers. -Suppose that the following were the amounts you spent on gasoline over the past ten months.

Find the range of the set of numbers. -Suppose that the following were the amounts you spent on groceries over the past ten months.

Solve. -The number of members for ten different chapters of an outdoor club are shown below. Find the mean number of members. Round to the nearest tenth if necessary. 646 546 343 344 571357 355 506 470 482646~546~343~344~571\\357~355~506~470~482646 546 343 344 571357 355 506 470 482

Solve. -A class has 25 students. On a test, 3 students earned a 90, 8 students earned an 80,10 students earned a 70, 3 students earned a 60, and you earned a 75 . How did your score relate to the average (mean) of the class. Explain.

Solve. -A county commission is made up of 15 members. Each member represents a district. The county's total population is 390,000. Joe is a county commissioner and his district has 19,500 people in it. Compare his district size to the average (mean) district size for the county.

Solve. -There are 8 people in the room. Three weigh more than you and 3 weigh less than you. One person weighs the same as you. Who has the median weight in the room?

Solve. -Your cable bill increased last year. For the first 5 months your bill was $26.89\$ 26.89$26.89 each month. For the remaining 7 months it was $28.89\$ 28.89$28.89 each month. Find the mean amount of your cable bill for the year.

Solve. -The following table shows the radius of the each of the moons orbiting a planet named Geo I. What is the mean radius of the moons? Round to the nearest whole number.

Solve. -The table shows the number of car accidents last year in each of six different towns. Find the median number of accidents.

Solve. -The table shows the monthly revenue (in millions) for a software company for the first nine months of a recent year. Find the mode of the monthly revenues.

Solve. -The table shows one family's utility bills for the first nine months of the year. Find the range.

Use the table to solve the problem. - Find the average distance from Geo I to its moon Luna 1.

Use the table to solve the problem. - What is the time of revolution around Geo 1 of the moon Luna 4 ?

Use the table to solve the problem. - Which moon has a diameter of 314 kilometers?

Use the table to solve the problem. -The following table gives the area of several lakes in acres. How many times as large as the smallest lake is the largest lake? Round to the nearest hundredth.

Use the table to solve the problem. -The following table gives the road distances between various cities. How far is Ashland from Grand Junction?

Use the table to solve the problem. -The following table gives the road distances between various cities. Brownsville is how much closer to San Pedro than to Ashland?

Find the range of the set of numbers. -Each of 8 different dogs had a litter of puppies. The litter sizes are given for each dog. $4,6,3,4,5,4,7,3$

Solve. -The number of members for ten different chapters of an outdoor club are shown below. Find the mean number of members. Round to the nearest tenth if necessary. $646~546~343~344~571\\357~355~506~470~482$

Solve. -Your cable bill increased last year. For the first 5 months your bill was $\$ 26.89$ each month. For the remaining 7 months it was $\$ 28.89$ each month. Find the mean amount of your cable bill for the year.

Solve. -The table shows one family's utility bills for the first nine months of the year. $Solve. -The table shows one family's utility bills for the first nine months of the year. Find the range. A) \$ 513 B) \$ 94 C) \$ 120 D) \$ 508$ Find the range.

Use the table to solve the problem. - $Use the table to solve the problem. - Find the average distance from Geo I to its moon Luna 1. A) 415 \mathrm{~km} B) 60,000 \mathrm{~km} C) 3000 \mathrm{~km} D) 3900 \mathrm{~km}$ Find the average distance from Geo I to its moon Luna 1.