Quiz about Statistics

Question 1

What is the type of relationship?

Accepted Answer

No Relationship

Answer

Negative

Answer

Positive

Answer

Constant

Question 2

What type of relationship does this graph have?

Accepted Answer

Positive

Answer

Negative

Answer

No Relationship

Answer

Constant

Question 3

Which scatter plot show a positive relationship?

Accepted Answer

Graph C

Answer

Graph A

Answer

Graph B

Answer

Graph D

Question 4

Which scatter plot shows no relationship?

Accepted Answer

Graph D

Answer

Graph A

Answer

Graph B

Answer

Graph C

Question 5

Based on the scatterplot, which of the following conclusions about the relationship between her height and weight is true?

Accepted Answer

There is a positive relationship between height and weight

Answer

There is a negative relationship between height and weight

Answer

There is a constant relationship between height and weight

Answer

There is no relationship between height and weight

Question 6

Which statement best represents this relationship?

Accepted Answer

As the number of miles driven increases, the amount of gas remaining in the tank decreases.

Answer

There is no relationship between the number of miles driven and the amount of gas remaining in the tank

Answer

As the number of miles driven increases, the amount of gas remaining in the tank increases.

Answer

A relationship cannot be determined from this scatter plot

Question 7

Which statement best describes the relationship shown in this scatter plot?

Accepted Answer

A student's shoe size has no effect on their math score

Answer

Students with a bigger shoe size earn a higher math score

Answer

Students with a smaller show size earn a higher math score

Answer

A student with a shoe size of 8 will always earn a score of 80%

Question 8

Based on the scatter plot, which statement best describes the trend?

Accepted Answer

As the daily temperature increases, the number of beach visitors increases.

Answer

as the daily temperature decreases, the number of beach visitors increases.

Answer

As the daily temperature increases, there is no change in the number of beach visitors

Answer

As the daily temperature increases, the number of beach visitors decreases

Question 9

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month. Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles?

Accepted Answer

D. 60 min

Answer

A. 50 min

Answer

B. 80 min

Answer

C. 45 min

Question 10

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

Accepted Answer

18 chapters

Answer

12 chapters

Answer

15 chapters

Answer

21 chapters

Question 11

What is the correlation between length of running start and distance of jump?

Accepted Answer

positive:  the further you run the further you jump

Answer

negative: the less you run the less distance of your jump

Answer

positive: the further your running start the less your distance

Question 12

Make a prediction for a resting heart rate after 6 hours of exercise a week.

Accepted Answer

55

Answer

6

Answer

50

Answer

59

Question 13

What is a line of best fit used for?

Accepted Answer

To make predictions

Answer

To make the graph look pretty

Answer

To connect the points

Answer

To make it look like you know what you are doing

Question 14

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

Accepted Answer

190 pages

Answer

150 pages

Answer

170 pages

Answer

210 pages

Question 15

Charlie rented a moving truck. He paid a daily fee plus a per-mile fee to rent the truck. The equation below represents the daily amount Charlie paid for the truck if he drives it x miles.
y=0.5x+10
What does the slope of the graph of this equation represent?

Accepted Answer

The per-mile fee for the moving truck

Answer

The daily fee for the moving truck

Answer

How much Charlie paid for the truck

Answer

The number of miles he drove

Question 16

These kind of observation use your senses to observe results.

Accepted Answer

qualitative

Answer

quantitative

Question 17

There were 4 fewer drops on the penny dipped in soap than the one dipped in oil.

Accepted Answer

quantitative

Answer

qualitative

Answer

both

Answer

neither

Question 18

There are 3 more blue beads than red beads.

Accepted Answer

both

Answer

qualitative

Answer

quantitative

Answer

neither

Question 19

Your teacher has asked you to explain the difference between quantitative and qualitative observations. Which statement is correct?

Accepted Answer

Quantitative observations use numbers, qualitative uses the senses.

Answer

Quantitative observations use the senses, qualitative uses numbers.

Answer

Quantitative observations use measurement, qualitative uses numbers.

Answer

Quantitative observations use colors, qualitative uses the senses.

Question 20

Dolphin colors range from gray to white.

Accepted Answer

qualitative

Answer

quantitative

Question 21

Dolphins eat the equivalent of 4 - 5% of their body mass each day.

Accepted Answer

quantitative

Answer

qualitative

Question 22

There are 75 trees in the forest.

Accepted Answer

quantitative

Answer

qualitative

Question 23

The leaves on the plant are turning brown.

Accepted Answer

qualitative

Answer

quantitative

Answer

both

Answer

neither

Question 24

The plant has grown 4 cm since yesterday.

Accepted Answer

quantitative

Answer

qualitative

Answer

both

Answer

neither

Question 25

Find the slope of the line that passes through
(10, 1) and (5, 2)

Accepted Answer

-1/5

Answer

1/5

Answer

5

Answer

-5

Question 26

y = 1/2x - 1

Accepted Answer

slope: 1/2   y-intercept:  -1

Answer

slope: 2/1   y-intercept:  -1

Answer

slope: 3   y-intercept:  -3

Answer

slope: 2  y-intercept:  5

Question 27

Find the slope and y-intercept of this line.

Accepted Answer

Slope is 1, y-intercept is 3

Answer

Slope is 3, y-intercept is -3

Answer

Slope is -1, y-intercept is 3

Answer

Slope is -3, y-intercept is 3

Question 28

Find the slope and y-intercept of this line.

Accepted Answer

Slope is 2, y-intercept is 3

Answer

Slope is -2, y-intercept is -3

Answer

Slope is 1/2, y-intercept -3

Answer

Slope is 1/2, y-intercept is 3

Question 29

A value that is much higher or much lower than the other values in a set of data.

Accepted Answer

Outlier

Answer

Box Plot

Answer

Range

Answer

Histogram

Question 30

A condition that occurs when data points in a scatter plot are grouped more in one part of the graph than the other.

Accepted Answer

Clustering

Answer

Cluster

Answer

Gap

Answer

Outlier

Question 31

A set of closely grouped data.

Accepted Answer

Cluster

Answer

Outlier

Answer

Gap

Answer

Correlation

Question 32

A value much greater or much less than the others in a data set.

Accepted Answer

Outlier

Answer

Cluster

Answer

Gap

Answer

Frequency

Question 33

A straight line that comes closest to the points on a scatter plot.

Accepted Answer

Line of Best Fit

Answer

Trend Line

Answer

Frequency

Answer

Correlation

Question 34

Which of the following variables are quantitative?
A. type of car
B. weekly wage
C. plane fares
D. petrol prices
E. breed of dog

Accepted Answer

B, C and D

Answer

A, B and C

Answer

A, B, C and E

Answer

A, B, C and D

Statistics

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