Quiz about Analyzing Data Quiz

Question 1

Determine which of the following questions are statistical:

Accepted Answer

How frequently do quarters appear more than nickels in daily transactions at stores?

Accepted Answer

What type of bill is most commonly used at grocery stores?

Accepted Answer

What is the mean number of coins people carry in their wallets?

Answer

How many dimes are in $5?

Answer

What is the oldest coin ever found in the U.S.?

Question 2

Analyze the dot plot showing the number of hours 20 sixth grade students read on a Sunday night. Answer the following questions: How many students spent at most 2 hours reading?

Accepted Answer

4

Answer

2

Answer

3

Answer

5

Question 3

Analyze the dot plot showing the number of hours 20 sixth grade students read on a Sunday night. Answer the following question: What was the median reading time among the students?

Accepted Answer

4

Answer

3

Answer

5

Answer

6

Question 4

Analyze the dot plot showing the number of hours 20 sixth grade students read on a Sunday night. Answer the following question: Based on the dot plot, did a majority of students spend 3, 4 or 5 hours reading?

Accepted Answer

5

Answer

3

Answer

4

Question 5

Analyze the dot plot showing the number of hours 20 sixth grade students read on a Sunday night. Answer the following question: From the dot plot, if 20% of the students spent more than 6 hours reading, how many students does that represent?

Accepted Answer

4

Answer

5

Answer

10

Answer

2

Question 6

Here is a histogram showing the number of books read by students over the summer break. Determine which of these statements must be true:

Accepted Answer

A total of 25 students participated in the survey.

Accepted Answer

More students read 4-6 books than any other number of books.

Answer

No student read fewer than 1 book.

Answer

Every student read less than 12 books.

Question 7

Select all the true statements:

Accepted Answer

b. Given a box plot, it is always possible to identify the exact median.

Accepted Answer

c. Given a dot plot, it is always possible to create a histogram that represents the same data accurately.

Accepted Answer

d. Given a dot plot, it is possible to determine the mean of the data.

Answer

a. Given a histogram, it is always possible to exactly calculate the mean of the data.

Answer

e. Given a histogram, it is possible to construct a box plot that depicts the same data distribution.

Question 8

Which statement is accurate about the median of the following dot plot?

Accepted Answer

a. The median is less than 4.

Answer

b. The median is equal to 4.

Answer

c. The median is greater than 4.

Answer

d. There is not enough information to determine the median.

Question 9

The water hardness was tested in many households in two towns. The results of the testing are shown in these box plots. A water hardness of less than 120 mg/L is considered soft, and a hardness of 180 mg/L or more is considered very hard. Select all the statements that must be true based on the water hardness box plots for two towns. Town X is the first box plot and Town Y is the second box plot.

Accepted Answer

The lowest recorded measurement was in Town X.

Accepted Answer

The median for Town Y is higher than the median for Town X.

Accepted Answer

The highest recorded measurement for water hardness was in Town Y.

Answer

All households tested in Town X have soft water.

Answer

The range for Town X is less than the range for Town Y.

Analyzing Data Quiz

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