Question

9. What is the sample variance (s2) for this set of data? 2, 5, 7, 10 a. 6.00 b. 3.37 c. 11.33 d. 8.50 e. None of the above 10. What is the sample standard deviation (SD) for this set of data? 3.48, 4.60, 3.93, 4.85, 3.15 a. 0.72 b. 4.00 c. 0.52 d. 0.65 e. None of the above

Name: 9 what is the sample variance s2 for this set of data 2 5 7 10 a 600 b 337 c 1133 d 850 e none of the above 10 what is the sample standard deviation sd for this set of data 348 460 393 485 3 74888
Uploaded: 2022-02-05T15:39:26-08:00
Duration: 7 min 10 s
Channel: Pronoy Sinha
Description: 9 what is the sample variance s2 for this set of data 2 5 7 10 a 600 b 337 c 1133 d 850 e none of the above 10 what is the sample standard deviation sd for this set of data 348 460 393 485 3 74888

          9. What is the sample variance (s2)
for this set of data?
2, 5, 7, 10
a. 6.00
b. 3.37
c. 11.33
d. 8.50
           
e. None of the above
10. What is the sample standard
deviation (SD) for this set of data?
3.48, 4.60, 3.93, 4.85, 3.15
a. 0.72
b. 4.00
c. 0.52
d. 0.65
           
e. None of the above

Added by Nicole M.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Pronoy Sinha

02/05/2022

Step 1

Given data: 2, 5, 7, 10 Sum of the data (ΣX) = 24 Number of observations (n) = 4 Mean (X̄) = ΣX / n = 24 / 4 = 6 Calculate (X - X̄) for each data point: 2 - 6 = -4 5 - 6 = -1 7 - 6 = 1 10 - 6 = 4 Calculate (X - X̄)^2 for each data point: (-4)^2 = 16 (-1)^2 = Show more…

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9. What is the sample variance (s2) for this set of data? 2, 5, 7, 10 a. 6.00 b. 3.37 c. 11.33 d. 8.50 e. None of the above 10. What is the sample standard deviation (SD) for this set of data? 3.48, 4.60, 3.93, 4.85, 3.15 a. 0.72 b. 4.00 c. 0.52 d. 0.65 e. None of the above