# Question

a. Calculate the standard deviation for each set.

b. What effect did the largest value changing from 10 to 15 have on the standard deviation?

c. Why do you think 15 might be called an outlier?

b. What effect did the largest value changing from 10 to 15 have on the standard deviation?

c. Why do you think 15 might be called an outlier?

## Answer to relevant Questions

Find: a. x2(10, 0.01) b. x2(12, 0.025) c. x2(10, 0.95) d. x2(22, 0.995) a. What value of chi-square for 5 degrees of freedom subdivides the area under the distribution curve such that 5% is to the right and 95% is to the left? b. What is the value of the 95th percentile for the chi-square ...Find the test statistic for the hypothesis test: a. Ho: s2 = 532 versus Ha: σ 2 > 532 using sample information n = 18 and s2 = 785 b. Ho: s2 = 52 versus. Ha: σ 2 ≠ 52 using sample information n = 41 and s2 = 78.2 A random sample of 51 observations was selected from a normally distributed population. The sample mean was x = 98.2 and the sample variance was s2 = 37.5 Does this sample show sufficient reason to conclude that the ...The dry weight of a cork is another quality that does not affect the ability of the cork to seal a bottle, but it is a variable that is monitored regularly. The weights of the no. 9 natural corks (24 mm in diameter by 45 mm ...Post your question

0