Empirical Values Quiz Questions and Answers PDF Download - 69

The shape of frequency distribution constructed in consideration of empirical rule is classified as

1. bell shaped
2. tower shape
3. wing shape
4. fish shape

In confidence interval estimation, the confidence efficient is denoted by

1. 1 + β
2. 1 - β
3. 1 - α
4. 1 + α

Considering the sample size, the sampling distribution standard error decreases when the

1. size of sample increases
2. size of sample decreases
3. margin of error increases
4. margin of error decreases

At a grocery store, the number of per day sold processed fruits cans in 15 days are 50, 70, 60, 40, 30, 20, 5, 150, 55, 75, 65, 45, 35, 25, 52 then the outliers in observations are

1. 50, 150
2. 5, 150
3. 25, 70
4. 150

Considering the normal distribution, the spread is increased and the height of the curve is decreased for the

1. smaller value of variance
2. larger value of variance
3. larger value of standard deviation
4. smaller value of standard deviation