Statistics Test Review

Susan asked each of her classmates how many math problems they solved yesterday. The number of math problems is listed below.

1, 3, 2, 7, 3, 2, 4

What is the median number of math problems solved?

• 2

• 3

• 7

• 3.5

Part A: Which term best describes the shape of the data distribution?

Part B: If a new student who studies 1 hour per week joins the class, what will be the shape of the updated data distribution?

• No correct answer

• symmetric

• even

• right skewed

• left skewed

Blake does a lot of reading. The list of numbers shows how many pages he read each day for a week.

33, 34, 53, 53, 65, 71

What is the mode for this data set?

• 38

• 33

• 71

• 53

What is the mean number of donuts sold?

• 5

• $13.42

• 7

• 8

3044, 6788, 12000, 6732, 7777

Based on the data listed, select each true statement below. Choose ALL that apply.

• The range for the data is 8956.

• The range for the data is 6577.

• The median number is 12000

• The average (or mean) is 72668.2

• The average (or mean) is 5108.2

What is the median of the test scores?

• 41

• 45

• 39.5

• 40

King Tut was given the following set of data to analyze.

32, 34, 37, 34, 23

Which statistical measure does the number represent for this data set?

• mean

• median

• mode

• range

Which choices make the statement true? Select the words the correctly complete the sentence.

The shape of the data distribution is ___________. If a new seedling with a height of 5 inches is added, the data distribution shape will be ________.

• skewed right; skewed left

• symmetrical; skewed left

• skewed left; symmetrical

• skewed right; skewed right

• skewed left; skewed left

A farmer lined up all of their cows and weighed each of them.

Select the words that correctly complete the sentence.

The __________ can be used to indicate the difference between the the weight of the heaviest cow and the lightest cow.

• mean

• median

• mode

• range

Sister Sue recorded the depth of each of the 8 holes she dug in the ground. She found that her average hole dug was 2 feet deep.

What does the number 2 represent?

• the median of the depth of holes

• the mode of the depth of holes

• the range of the depth of holes

• the mean of the depth of holes