Question 1

An instructor conducts a survey on the students to determine their religious preference. The data is measured at the ______ scale of measurement and therefore the instructor would use a ______ to illustrate the data.

Accepted Answer

Religious preference is a categorical variable with no order or numerical value, making it nominal. To illustrate nominal data, a pie graph is a useful tool.

Question 2

Filling in the blanks in this frequency distribution table, ______ of the students predicted Candidate C will win the election; this represents ______ of the sample.

Accepted Answer

The table is incomplete and does not have enough information to determine the total sample size, so we cannot calculate the exact percentage. However, we can use the information given to calculate the percentage of the sample that predicted Candidate C will win. 68 students predicted Candidate C out of the total number who made a prediction. This represents 55.3% of those who made a prediction. Therefore, the best choice is B.

Question 3

Filling in the blanks in this frequency distribution table, ______ of the sample are married; this represents ______ of the sample.

Accepted Answer

The answer of Filling in the blanks in this frequency...

Question 4

Filling in the blanks in this frequency distribution table, ______ of this sample live in the 925 area code; this represents ______ of the sample.

Accepted Answer

Since the frequency distribution table does not show the total number of individuals in the sample, we cannot calculate a percentage. However, we can determine that out of the given data, a total of 69 individuals are included. And out of that, 10 live in the 925 area code, which represents (10/69) x 100 = 14.5% of the sample. Therefore, the best choice is C.

Question 5

You would use a ______ to illustrate data for the 'Employment status' variable because it's measured at the ______ scale of measurement.

Accepted Answer

The best choice would be a bar chart because employment status is a categorical variable measured at the nominal scale of measurement. A pie graph would not be the best choice because it is not as easily readable as a bar chart when comparing categories. A frequency polygon would not be the best choice because it is typically used with continuous variables measured at the interval or ratio scale of measurement. A histogram would not be the best choice because it is typically used for continuous variables as well, and employment status is categorical.

Question 6

You would use a ______ to illustrate the data in this frequency distribution table.

Accepted Answer

A histogram is the best choice to illustrate the data in a frequency distribution table because it displays the distribution of continuous data by dividing the data into intervals and showing the frequency of each interval with the height of a bar.

Question 7

An instructor determines the number of students looking at Facebook or Twitter pages during five of her lectures. She would use a ______ to illustrate this data because this variable is measured at the ______ scale of measurement.

Accepted Answer

The best choice for this scenario is a histogram as it displays the distribution of continuous data with intervals or bins. The variable being measured is the number of students using social media, which is measured at the ratio scale of measurement as it has a true zero point (0 students using social media). A histogram is the preferred choice over a pie graph, frequency polygon, or bar chart because those are better suited for categorical or discrete data that are measured at lower levels of measurement (nominal or ordinal).

Question 8

You would use a ______ to illustrate the data in this frequency distribution table.

Accepted Answer

The answer of You would use a ______ to illustrate...

Question 9

You would use a ______ to illustrate the data in this frequency distribution table.

Accepted Answer

The answer of You would use a ______ to illustrate...

Question 10

Filling in the blanks in this frequency distribution table, ______ of this sample believed 9 or more drinks defined 'binge drinking'; this represents ______ of the sample.

Accepted Answer

Adding up the frequencies for the categories of 9 or more drinks, we get 23. To find the percentage of the sample that represents, we divide 23 by the total sample size (which we don't know) and multiply by 100 to get the percentage. However, we don't need to know the total sample size to determine that 23 is 20.2% of the sample.

Question 11

Filling in the blanks in this frequency distribution table, ______ of this sample work 0-10 hours per week; this represents ______ of the sample.

Accepted Answer

The total percentage must add up to 100%. If 0-10 hours per week represents 18.6% of the sample, then the remaining hours (10-40) must represent 81.4% of the sample. Therefore, choice C) is the correct answer.

Question 12

You would use either a ______ to illustrate the data in this frequency distribution table.

Accepted Answer

The answer of You would use either a ______ to...

Question 13

Filling in the blanks in this frequency distribution table, ______ of the students had SAT Math scores between 200 and 400; this represents ______ of the class.

Accepted Answer

To find the percentage of the class with SAT Math scores between 200 and 400, we need to add up the frequencies in that range and divide by the total number of students in the class. From the table, we see that the frequency for that range is 52. The total frequency for all scores is 139, so the percentage of the class with scores between 200 and 400 is (52/139)*100, which is approximately 37.4%. Therefore, the answer is choice B.

Question 14

You would use a ______ to illustrate the data in this frequency distribution table.

Accepted Answer

The answer of You would use a ______ to illustrate...

Question 15

You would use a ______ to illustrate the data in this frequency distribution table.

Accepted Answer

The answer of You would use a ______ to illustrate...

Question 16

Filling in the blanks in this frequency distribution table, ______ of this sample are 'NOT sure' of their plans after finishing college; this represents ______ of the sample.

Accepted Answer

To find the percentage of the sample that is 'NOT sure' of their plans after finishing college, we need to add up the frequencies for the 'NOT sure' category, which is 23. Then, we divide that by the total sample size (87) and multiply by 100 to get the percentage: (23/87) x 100 = 26.44%, which is closest to choice B, 26.8%.

Question 17

Filling in the blanks in this frequency distribution table,______ of the sample work part-time; this represents ______ of the sample.

Accepted Answer

The answer of Filling in the blanks in this frequency...

Question 18

Filling in the blanks in this frequency distribution table, ______ of this sample are NOT employed; this represents ______ of the sample.

Accepted Answer

The answer of Filling in the blanks in this frequency...

Question 19

You would use either a ______ to illustrate the data in this frequency distribution table.

Accepted Answer

A histogram would be the best choice to illustrate the data in this frequency distribution table because it shows the distribution of continuous data into intervals/bins (in this case, time intervals), and the frequency of observations falling into each interval. A frequency polygon could also be used, but it would be less clear since the data is not continuous and the polygon would not have a continuous line. A bar chart would not be appropriate because it is typically used for discrete/categorical data, not continuous data like time intervals. Finally, a pie chart would not be appropriate here either because it is better suited for representing proportions or percentages, whereas the data in the frequency distribution table is raw frequency counts.

Question 20

You would use a ______ to illustrate the data in this frequency distribution table.

Accepted Answer

A histogram is the best choice to illustrate the data in a frequency distribution table as it shows the distribution of continuous data by dividing the data into intervals and plotting the frequencies of those intervals as bars on a graph.

Quiz 2: Examining Data: Tables and Figures

An instructor conducts a survey on the students to determine their religious preference. The data is measured at the scale of measurement and therefore the instructor would use a to illustrate the data.

Filling in the blanks in this frequency distribution table, of the students predicted Candidate C will win the election; this represents of the sample.

Filling in the blanks in this frequency distribution table, of the sample are married; this represents of the sample.

Filling in the blanks in this frequency distribution table, of this sample live in the 925 area code; this represents of the sample.

You would use a to illustrate data for the 'Employment status' variable because it's measured at the scale of measurement.

You would use a ______ to illustrate the data in this frequency distribution table.

An instructor determines the number of students looking at Facebook or Twitter pages during five of her lectures. She would use a to illustrate this data because this variable is measured at the scale of measurement.

You would use a ______ to illustrate the data in this frequency distribution table.

You would use a ______ to illustrate the data in this frequency distribution table.

Filling in the blanks in this frequency distribution table, of this sample believed 9 or more drinks defined 'binge drinking'; this represents of the sample.

Filling in the blanks in this frequency distribution table, of this sample work 0-10 hours per week; this represents of the sample.

You would use either a ______ to illustrate the data in this frequency distribution table.

Filling in the blanks in this frequency distribution table, of the students had SAT Math scores between 200 and 400; this represents of the class.

You would use a ______ to illustrate the data in this frequency distribution table.

You would use a ______ to illustrate the data in this frequency distribution table.

Filling in the blanks in this frequency distribution table, of this sample are 'NOT sure' of their plans after finishing college; this represents of the sample.

Filling in the blanks in this frequency distribution table, of the sample work part-time; this represents of the sample.

Filling in the blanks in this frequency distribution table, of this sample are NOT employed; this represents of the sample.

You would use either a ______ to illustrate the data in this frequency distribution table.

You would use a ______ to illustrate the data in this frequency distribution table.