# Question

Compute the variance and standard deviation of the following sample data:

6 8 7 10 3 5 9 8

6 8 7 10 3 5 9 8

## Answer to relevant Questions

Compute the variance and standard deviation of the following sample data: 3 0 -2 -1 5 10 If the mean of a population is 250 and its standard deviation is 20, approximately what proportion of observations is in the interval between each pair of values? a. 190 and 310 b. 210 and 290 The assessment rates (in percentages) assigned to a random sample of 40 commercially zoned parcels of land in the year 2012 are stored in the data file Rates. a. What is the standard deviation in the assessment rates? b. ...For a random sample of 25 students from a very large university, the accompanying table shows the amount of time (in hours) spent studying for final exams. a. Estimate the sample mean study time. b. Estimate the sample ...A department-store chain randomly sampled 10 stores in a state. After a review of sales records, it was found that, compared with the same period last year, the following percentage increases in dollar sales had been ...Post your question

0