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Home  arrow Multiple choice questions  arrow Part 2 - Descriptive statistics  arrow Chapter 5 - Describing variables numerically: Averages, variation and spread

Chapter 5 - Describing variables numerically: Averages, variation and spread

 
Attempt these questions after you have read chapter 5

Try the multiple choice questions below to test your knowledge of this chapter. Once you have completed the test, click on 'Submit Answers for Grading' to get your results.

Please refer to the following outputs when answering the questions

Descriptive Statistics

 

N

Minimum

Maximum

Mean

Std. Deviation

age

20

16.00

27.00

21.9000

3.27511

Valid N (listwise)

20

 

 

 

 

Statistics

Age

N

Valid

20

Missing

0

Mean

21.9000

Median

22.5000

Mode

23.00

Std. Deviation

3.27511

Minimum

16.00

Maximum

27.00



This activity contains 20 questions.

Question 1.
The following scores are required to answer questions 1 to 4 inclusive: 5; 5; 6; 9; 12; 12; 14; 15; 16; 17; 29; 30

The mode of the above scores is:

 
End of Question 1


Question 2.
The arithmetic mean of the above scores is:

 
End of Question 2


Question 3.
The median of the above scores is:

 
End of Question 3


Question 4.
What is the frequency (f) for scores of 9 to 12 inclusive?

 
End of Question 4


Question 5.
The scores are best described as:

 
End of Question 5


Question 6.
If the mean, median and mode for a set of scores are all 27, we would say the distribution is:

 
End of Question 6


Question 7.
Which of the following is an acceptable statement to make about the variable sex (males versus females)?

 
End of Question 7


Question 8.
Which of the following is a good measure of the spread of scores?

 
End of Question 8


Question 9.
The following table is needed to answer Questions 9 to 16: NEUROTICISM 10 12 14 9 8 11 15 10 13 16 9 11 EXTRAVERSION 3 9 2 15 2 15 8 12 29 13 30 6 REASONING 110 114 102 99 106 114 116 115 120 101 99 117 The highest mean is for:

 
End of Question 9


Question 10.
The range of scores is the greatest for:

 
End of Question 10


Question 11.
The range of the neuroticism scores is:

 
End of Question 11


Question 12.
The interquartile range:

 
End of Question 12


Question 13.
For reasoning, the interquartile range is:

 
End of Question 13


Question 14.
The mean extraversion score is:

 
End of Question 14


Question 15.
N for extraversion is:

 
End of Question 15


Question 16.
Which of the following is true?

 
End of Question 16


Question 17.
What is the mean value?

 
End of Question 17


Question 18.
What is the mode value?

 
End of Question 18


Question 19.
What is the median value?

 
End of Question 19


Question 20.
What is the range?

 
End of Question 20





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