Q.4 Calculate the Variance and standard deviation from the following data Daily wages (Rs.) 400-450 450-500 500-550 | 550-600 600-650 650-700 No. of workers 20 30 50 25 20 5

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Q: -32. Calculate Coefficient of Concurrent Deviations from the data given below : No. of Workers: 300…

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Q: 9. Calculate the standard deviation and variance from the following data. (x-x) Values (X) X-X 14 -1…

A: The data is given below. Values(Xi) Xi-X (Xi-X)2 14 -1 1 22 7 49 9 -6 36 15 0 0 20 5 25…

Q: Represent the following data by means of a histogram. Weekly Wages ( 00 ) : 10-15 15-20 20-25 25-30…

A: Let weekly wages on Y axis and number of workers on X axis.

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Q: B//Determine the median for the data below: Class 0-10 10-20 20-30 30-40 40-50 50-60 60-70 Interval…

A: The table that shows necessary calculations is shown below: Class(1) Frequency (f)(2) cf(7) 0 -…

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Q: How would I graph this

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Q: Marks

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Q: EX 3: find The RANGE, VARIANCE, AND STANDARD DEVIATION for data in table 3.3. Table 3.3 Age…

A: Range is given by,  R= Maximum observation-minimum Observation Here highest is 54 and Lowest is 5…

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Q: Using the available data suggests that on averages wages change about a. once a year b. once a…

A: Correct option is a.Once a year

Q: find the mean, variance and standard deviation.

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Q: 2) Find the standard deviation of the grouped data Ages 51 - 60 41 - 50 3 10 15 31 - 40 21 - 30 11…

A: In grouped data, the observations are accumulated into groups or classes. These classes and the…