if we connect the mid point of rectangles in a histogram with a series of lines, we get __________

Related Mcqs:

1. The graph obtained by joining the mid points of the tops of adjacent rectangles in histogram is called ______________?

   A. Frequency polgon
   B. Ogive
   C. Pie chart
   D. Histgram

2. In constructing a histogram which is to be taken along X-axis__________?

   A. Class interval
   B. Class frequency
   C. Class boundaries
   D. Class mark

3. A graph consists of _________ lines?

   A. Parallel Line
   B. Smooth curve
   C. Curve
   D. Straight

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

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

5. When the two regression lines coincide there r is __________________?

   A. Zero
   B. Less than zero
   C. More than zero
   D. Great

6. Which of the measures given here are based on every item of the series (uses all observations)?

   A: Range
   B: Standard Deviation
   C: Quartile Deviation
   D: All of them

7. Given the N values in a series, the geometric mean is______________?

   A. The third root of the product of N values
   B. The square root of the product of N values
   C. The fourth root of the product of N values
   D. The Nth root of the product of N values

8. The square bracket is an finite G. Series is obtained by formula _________________?

   A. 1/1-rn
   B. a/1-r
   C. a/1-rn
   D. a/(1-r)n

9. data classified by methods are called __________ data?

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

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

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