1. Whichofthefollowingisanappropriatemeasureofcentraltendencyforthevariable"Gender"?

   Mean1.7

   Median2

   ModeFemale

   Range1

   Alloftheabove

2.Which of the following is an appropriate measure of central tendency for the variable "Years with the Club"?

Mean 2.67

25th percentile 1.5

75th percentile 3.5

Range 9.5

None of the above

3.

Which of the following is an appropriate measure of variability for the variable "Overall Service Satisfaction"?

Standard deviation 0.65

Variance 0.42

Coefficient of variation 19%

Range 4

None of the above

4.

Which of the following is an appropriate measure of variability for the variable "Years with the Club"?

Standard deviation 1.6

Range 9.5

Coefficient of variation 60%

IQR 2.0

All of the above

5.

The coefficient of skewness for the variable "Gender" is:

Should not be measured as this is nominal data

0.57

-0.23

-0.86

-1.27

6. The excess kurtosis for the variable "Age" is:

3.27

2.73

0.27

-0.27

-2.73

7.

The distribution of the variable "Typical Visits per Week" can be described as:

Right skewed, leptokurtic

:

Right skewed, platykurtic

Left skewed, leptokurtic

Left skewed, platykurtic

No skew, mesokurtic

8.The z-score for a member who is aged 50 is:

46.88

1.36

1

0

-1.36

9.

The empirical rule should not be applied to the variable "Age" because:

It is interval data

It is nominal data

It is ordinal data

It does not follow a bell-shaped distribution

None of the above

10.

Most commonly, a member of the Club:

Is 31 years old

Female

Has been a member of the Club for two years

Visits the Club twice per week

All of the above

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