Structured Data MCQs with Answers PDF Download – Test 86

MCQ 426: The structured undisguised questionnaire is the one in which the purpose of study is:

1. not disclosed to respondents
2. disclosed to respondents
3. interval respondents
4. ratio respondents

MCQ 427: The number of emergency cases in hospital for five days are as 12, 15, 18, 16, 14 then variance of sample is:

1. 5
2. 20
3. 4
4. 15

MCQ 428: The stem and leaf displaying technique is used to present data in:

1. descriptive data analysis
2. exploratory data analysis
3. nominal data analysis
4. ordinal data analysis

MCQ 429: According to empirical rule, the standard deviation and mean interval that covers approximately 68.27% of data from a frequency distribution is:

1. μ±σ
2. 2μ±2σ
3. 3μ±2σ
4. 4μ±4σ

MCQ 430: The type of sampling In which each element of population has equally likely chance of occurrence in a random sample is classified as:

1. regular and irregular sampling
2. error free sampling
3. inertia sampling
4. simple random sampling