Question 1

Use the following to answer questions :
The following table gives the frequency distribution of prices for a sample of 30 college textbooks.
 
-The value of  is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Question 2

A numerical measure calculated from population data is called a(n):
A)parameter
B)statistic
C)empirical rule
D)probability distribution

Accepted Answer

The answer of A numerical measure calculated from population data...

Question 3

Use the following to answer questions :
You have just recorded the waiting times for a random sample of 50 customers who visited Elmo's Pizza Shop.The following table gives the frequency distribution of waiting times (in minutes)for these customers.
 
-The variance of waiting times,rounded to two decimal places,is:

Accepted Answer

The answer of Use the following to answer questions :
You...

Question 4

Use the following to answer questions :
The temperatures (in degrees Fahrenheit)observed during seven days of summer in Los Angeles are:
78 99 68 91 105 75 85
-The range of these temperatures is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Question 5

Use the following to answer questions :
The following table gives the frequency distribution of prices for a sample of 30 college textbooks.
 
-The value of  is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Question 6

Use the following to answer questions :
You have just recorded the waiting times for a random sample of 50 customers who visited Elmo's Pizza Shop.The following table gives the frequency distribution of waiting times (in minutes)for these customers.
 
-The value of  is:

Accepted Answer

The answer of Use the following to answer questions :
You...

Question 7

Use the following to answer questions :
You have just recorded the waiting times for a random sample of 50 customers who visited Elmo's Pizza Shop.The following table gives the frequency distribution of waiting times (in minutes)for these customers.
 
-The standard deviation of waiting times,rounded to two decimal places,is:

Accepted Answer

The answer of Use the following to answer questions :
You...

Question 8

Use the following to answer questions :
The following table gives the frequency distribution of prices for a sample of 30 college textbooks.
 
-The mean price of these textbooks,rounded to two decimal places,is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Question 9

Use the following to answer questions :
The times (in minutes)taken by a sample of nine students to complete a statistics test are:
52 47 57 33 39 43 52 41 36
-The range of these times is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Question 10

Use the following to answer questions :
The temperatures (in degrees Fahrenheit)observed during seven days of summer in Los Angeles are:
78 99 68 91 105 75 85
-The standard deviation,rounded to three decimals,of these temperatures is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Question 11

Use the following to answer questions :
The annual salaries of six employees of a company are as follows:
$22,000 $35,000 $22,000 $46,000 $57,000 $51,000
-The range of these salaries is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Question 12

Use the following to answer questions :
The times (in minutes)taken by a sample of nine students to complete a statistics test are:
52 47 57 33 39 43 52 41 36
-The standard deviation of these times,rounded to three decimal places,is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Question 13

Use the following to answer questions :
The temperatures (in degrees Fahrenheit)observed during seven days of summer in Los Angeles are:
78 99 68 91 105 75 85
-The variance of these temperatures,rounded to three decimals,is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Question 14

The procedure for obtaining the variance from the standard deviation is to:
A)take the square root of the standard deviation
B)square the standard deviation
C)divide the standard deviation by 2
D)multiply the standard deviation by 2

Accepted Answer

The variance is the square of the standard deviation.

Question 15

Use the following to answer questions :
You have just recorded the waiting times for a random sample of 50 customers who visited Elmo's Pizza Shop.The following table gives the frequency distribution of waiting times (in minutes)for these customers.
 
-The mean waiting time,rounded to two decimal places,is:

Accepted Answer

The answer of Use the following to answer questions :
You...

Question 16

Use the following to answer questions :
The times (in minutes)taken by a sample of nine students to complete a statistics test are:
52 47 57 33 39 43 52 41 36
-The variance of these times,rounded to three decimal places,is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Question 17

Use the following to answer questions :
The annual salaries of six employees of a company are as follows:
$22,000 $35,000 $22,000 $46,000 $57,000 $51,000
-The variance of these salaries,rounded to the nearest dollar,is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Question 18

Use the following to answer questions :
You have just recorded the waiting times for a random sample of 50 customers who visited Elmo's Pizza Shop.The following table gives the frequency distribution of waiting times (in minutes)for these customers.
 
-The value of  is:

Accepted Answer

The answer of Use the following to answer questions :
You...

Question 19

The measurement units of the standard deviation are always:
A)the same as those of the original data
B)the square of the measurement units of the original data
C)50% of the measurement units of the original data
D)the square root of the sum of the squares of the original data set

Accepted Answer

The standard deviation is a measure of dispersion that is expressed in the same units as the original data, as it is derived from the square root of the variance, which is in squared units.

Question 20

Use the following to answer questions :
The annual salaries of six employees of a company are as follows:
$22,000 $35,000 $22,000 $46,000 $57,000 $51,000
-The standard deviation of these salaries,rounded to the nearest dollar,is:

Accepted Answer

The answer of Use the following to answer questions :
The...

Quiz 3: Numerical Descriptive Measures

Use the following to answer questions : The following table gives the frequency distribution of prices for a sample of 30 college textbooks. -The value of is:

A numerical measure calculated from population data is called a(n) :

Use the following to answer questions : The temperatures (in degrees Fahrenheit)observed during seven days of summer in Los Angeles are: 78 99 68 91 105 75 85 -The range of these temperatures is:

Use the following to answer questions : The following table gives the frequency distribution of prices for a sample of 30 college textbooks. -The value of is:

Use the following to answer questions : You have just recorded the waiting times for a random sample of 50 customers who visited Elmo's Pizza Shop.The following table gives the frequency distribution of waiting times (in minutes)for these customers. -The value of is:

Use the following to answer questions : The following table gives the frequency distribution of prices for a sample of 30 college textbooks. -The mean price of these textbooks,rounded to two decimal places,is:

Use the following to answer questions : The times (in minutes)taken by a sample of nine students to complete a statistics test are: 52 47 57 33 39 43 52 41 36 -The range of these times is:

Use the following to answer questions : The temperatures (in degrees Fahrenheit)observed during seven days of summer in Los Angeles are: 78 99 68 91 105 75 85 -The standard deviation,rounded to three decimals,of these temperatures is:

Use the following to answer questions : The annual salaries of six employees of a company are as follows: $22,000 $35,000 $22,000 $46,000 $57,000 $51,000 -The range of these salaries is:

Use the following to answer questions : The times (in minutes)taken by a sample of nine students to complete a statistics test are: 52 47 57 33 39 43 52 41 36 -The standard deviation of these times,rounded to three decimal places,is:

Use the following to answer questions : The temperatures (in degrees Fahrenheit)observed during seven days of summer in Los Angeles are: 78 99 68 91 105 75 85 -The variance of these temperatures,rounded to three decimals,is:

The procedure for obtaining the variance from the standard deviation is to:

Use the following to answer questions : The times (in minutes)taken by a sample of nine students to complete a statistics test are: 52 47 57 33 39 43 52 41 36 -The variance of these times,rounded to three decimal places,is:

Use the following to answer questions : The annual salaries of six employees of a company are as follows: $22,000 $35,000 $22,000 $46,000 $57,000 $51,000 -The variance of these salaries,rounded to the nearest dollar,is:

Use the following to answer questions : You have just recorded the waiting times for a random sample of 50 customers who visited Elmo's Pizza Shop.The following table gives the frequency distribution of waiting times (in minutes)for these customers. -The value of is:

The measurement units of the standard deviation are always:

Use the following to answer questions : The annual salaries of six employees of a company are as follows: $22,000 $35,000 $22,000 $46,000 $57,000 $51,000 -The standard deviation of these salaries,rounded to the nearest dollar,is: