According to the empirical rule, approximately what percent of the data should lie within μ±σ?

Related Mcqs:

1. Primary data and _____________ data are same?

   A. Grouped
   B. Secondary data
   C. Ungrouped
   D. None of these

2. Data being used by an agency which is originally collected by them are _______ data?

   A. Quantitative
   B. Primary
   C. Discrete
   D. Secondary

3. In a frequency distribution the last cumulative frequency is 300, Median shall lie in____________?

   A. 140th item
   B. 130th item
   C. 160th item
   D. 150th item

4. In a frequency distribution the last cumulative frequency is 500. Q3 must lie in_____________?

   A. 275th item
   B. 375th item
   C. 150th item
   D. 175th item

5. Data which have been arranged in ascending or descending order is called ________ data?

   A. Group data
   B. Classify
   C. Array
   D. ungrouped data

6. data classified by methods are called __________ data?

   A. Row data
   B. Grouped data
   C. Quantitative data
   D. Geographical
   E. None of these

7. Any data collected by the investigator personally from the informants are called __________ data?

   A. Primary
   B. Unofficial
   C. Group data
   D. None of these

8. The ________ in the distribution around which the observation to lie?

   A. Mean
   B. Dispersion
   C. Manner
   D. Central value

9. For a symmetrical distribution approximately 68% of the cases are included between _________________?

   A. X¯¯¯¯−S and X¯¯¯¯+S
   B. X¯¯¯¯−2S and X¯¯¯¯+2S
   C. X¯¯¯¯−3S and X¯¯¯¯+3S
   D. None of these

10. A time series is an arrangement of data according to __________________?

    A. Place
    B. Yearly
    C. Time
    D. None