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723LRIS WS#8 (Pink) Statistics End-of-Year Review

Last updated about 3 years ago

30 questions

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Question 1

1.

Median:

Question 2

2.

Mean:

Question 3

3.

Question 4

4.

The value of x:

Question 5

5.

The length of the fifth plank:

Question 6

6.

MAD

Question 7

7.

MAD

Question 8

8.

MAD

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 16

16.

Question 17

17.

How many MAD's separate the means? Round to two decimals.

Question 18

18.

How many MAD's separate the means? Round to two decimals.

Question 19

19.

How many MAD's separate the medians?

Question 20

20.

Question 21

21.

Question 22

22.

Question 23

23.

Question 24

24.

Question 25

25.

Question 26

26.

Question 27

27.

Question 28

28.

About how many people in the town like lemon in their tea?

Question 29

29.

About how many prefer iPhone?

Question 30

30.

About how many like country music?

Best Measure of Center

Mean

Median

The median is greater:

Middle School

High School

The IQR is 2.5

Middle School

High School

The data have greater variability:

Middle School

High School

More than 7 hours of homework a week:

Middle School

High School

The mean heart rate is 65

Logan

Camden

The dot plot is symmetric

Logan

Camden

The data have greater variability

Logan

Camden

More likely to have a heart rate of 70 bpm

Logan

Camden

His friends on the wrestling team.

Convenience

Voluntary

Random

Systematic

Every 25th student who enters the school in the morning.

Convenience

Voluntary

Random

Systematic

Post a survey on the school website.

Convenience

Voluntary

Random

Systematic

Randomly select students at lunch time.

Convenience

Voluntary

Random

Systematic

Population

Football team

School

Sample

Football team

School

Biased or unbiased

Biased

Unbiased

Which sample is best?

#1

#2

#3

#4