Averages of Position Notes Questions with Answers PDF Download - 79

The marks of Cambridge univerdity students in mathematics test out of 20 are 18, 17, 16, 15, 14, 17, 16, 14, 13, 12, 12, 11, 14, 19, 18

1. 14
2. 14.5
3. 15
4. 13

The largest numerical value is 85 and smallest numerical value is 65 and the classes desired are 8 then width of class interval is

1. 18.75
2. 14.75
3. 13.75
4. 2.5

If the trial is repeated 6 times and the chances of success for desired outcome is 0.75 then the variance for negative probability distribution is

1. 4.67
2. 2.67
3. 3.67
4. 5.67

The use of statistics in analysis of time when to order and quantity required for the in sourcing or outsourcing of materials is an example of usage of

1. statistics in marketing
2. statistics in production
3. statistics in personnel management
4. statistics in finance

Considering the set of values, the percentage of values that lies within three standard deviation of population plus population mean is

1. 88.90%
2. 78.90%
3. 68.90%
4. 98.90%