Question

1. In a graduate class of six students, the grades on the first test were:

54 86 82 61 96 92

Find the population mean:

Select one:

A. 15.62

B. 78.50

C. 243.92

D. 292.70

2. In a graduate class of six students, the grades on the first test were:

54 86 82 61 96 92

Find the population variance:

Select one:

A. 15.62

B. 78.50

C. 243.92

D. 292.70

3. In a graduate class of six students, the grades on the first test were:

54 86 82 61 96 92

Find the population standard deviation:

Select one:

A. 15.62

B. 78.50

C. 243.92

D. 292.70

4. Nine rental rooms in Kota Kinabalu were randomly sampled. The monthly rent prices for these rooms are listed below

250 5 5 70 85 60 120 50 155 135

Find the third quartile:

Select one:

A. 60

B. 85

C. 135

D. 250

5. Nine rental rooms in Kota Kinabalu were randomly sampled. The monthly rent prices for these rooms are listed below

250 55 70 85 60 120 50 155 135

Find the 25^th percentile:

Select one:

A. 60

B. 85

C. 135

D. 250

6. Nine rental rooms in Kota Kinabalu were randomly sampled. The monthly rent prices for these rooms are listed below

250 55 70 85 60 120 50 155 135

Based on the Boxplot, which of the observations would be considered an outlier?

Select one:

A. 50

B. 250

C. 50 and 250

D. There are no outlier

Please answer together with work scheme. Thank you.

Answer 1