1. Here is a sample of data:

1

2

4

7

3

6

5

What is the value of the median?

Answer :

2. Here is a sample of data:

1.05

8.83

8.71

3.64

6.13

5.95

7.11

2.49

6.11

4.45

Give the value of the mean.

Please give your answer correctly rounded to two decimal places.

Answer :

3.An investment opportunity has the following statistics:

mean = 27.57

variance = 19.53

What is the value of the coefficient of variation?

Please provide your answer in decimal form or percentage form, correctly rounded to two decimal places.

Answer:

4. You are given the following information:

N = 67 x = 192 x²=3861

Give the value of the population standard deviation.

Please give your answer correctly rounded to two decimal places.

Answer :

5. Which of the following is true when a frequency distribution exhibits negative skewness?

a)The mean is larger than the mode.

b)The mean, median and mode are the same value

c)The mean is larger than the median.

d)The median is larger than the mean.

e)The mean is larger than both the median and mode.

Answer :