Chapter 6 Test Review

What is the median of the data?

• 200

• 100

• 90

• 140

Answer explanation

To find the median, arrange the data in ascending order. The median is the middle value. If the dataset is {90, 100, 140, 200}, the median is 100, as it is the second value in the ordered list.

Which restaurant has a higher median wait time?

• Lucy's Steakhouse

• Gary's Grill

• They are the same

Answer explanation

Lucy's Steakhouse has a higher median wait time compared to Gary's Grill, indicating that customers typically wait longer at Lucy's than at Gary's.

How many total people took the survey?

• 50

• 150

• 100

• 200

Answer explanation

The survey had a total of 100 participants, which is the correct answer. The other options (50, 150, 200) do not match the total number of people who took the survey.

What is the range of the data?

• 4

• 8

• 6

• 2

Answer explanation

The range of the data is calculated by subtracting the smallest value from the largest value. If the largest value is 8 and the smallest is 0, the range is 8 - 0 = 8. Therefore, the correct answer is 8.

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13

• 12

• 11

• 10

Answer explanation

To find the mode, identify the number that appears most frequently. In the list 12,10,10,10,13,12,11,13,10, the number 10 appears four times, more than any other number. Thus, the mode is 10.

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile

Answer explanation

A 'Sample' is a subset of a population selected for survey purposes. It represents the larger group, making 'Sample' the correct choice, while 'Population' refers to the entire group and other options do not fit the definition.

_______ is the entire group of objects or individuals considered for a survey.

• Sample

• Population

• Random Sample

• Quartile

Answer explanation

The correct answer is 'Population' because it refers to the entire group of objects or individuals that are the focus of a survey, while 'Sample' refers to a subset of that population.

What is the median?

• 62

• 58

• 66

• 60

Answer explanation

To find the median, arrange the numbers in order and identify the middle value. In this case, the median is 62, as it is the middle number in the sorted list.

What is the minimum value?

• 64

• 58

• 66

• 61

Answer explanation

The minimum value among the choices is 58, as it is less than all other options: 64, 66, and 61. Therefore, the correct answer is 58.

What is the maximum value?

• 58

• 66

• 64

• 60

Answer explanation

The maximum value among the choices is 66, as it is greater than all other options: 58, 64, and 60. Therefore, the correct answer is 66.