Standard Errors in Statistics Quiz with Answers PDF Download – Test 89

MCQ 441: In sample distribution, the degree of freedom is calculated as:

1. df = n- 2
2. df = n- 1
3. df = n- 3
4. df = n- 5

MCQ 442: The class interval classification method which ensures the data continuity is classified as:

1. midpoint method
2. ratio method
3. exclusive method
4. inclusive method

MCQ 443: The analysis based on study of price fluctuations, production of commodities and deposits in banks is classified as:

1. sample series analysis
2. time series analysis
3. numerical analysis
4. experimental analysis

MCQ 444: The bias which occurs when the randomly drawn sample from population fails to represent whole population is classified as:

1. populated bias
2. random sample bias
3. under coverage bias
4. coverage bias

MCQ 445: The marks of 20 students out of 15 in class test are as 10, 11, 12, 12.5, 13.5, 14, 10, 11, 12, 12.5, 13.5, 14, 8, 9, 9, 8, 10, 11, 11.5, 12.5 then average marks of class is:

1. 12.25
2. 11.25
3. 13.25
4. 14.25