by ella | Feb 26, 2025 | Statistics
Chapter 5 1. Total cholesterol in children aged 10-15 is assumed to follow a normal distribution with a mean of 191 and a standard deviation of 22.4. What proportion of children 10-15 years of age have total cholesterol between 180 and 190? What proportion of children...
by ella | Feb 26, 2025 | Statistics
Using either the T-test or Z-Test calculate the correlation coefficient using the following values presented below. Once you have completed your calculation, discuss the following: Is there a statistically significant correlation between customer service attitude...
by ella | Feb 26, 2025 | Statistics
7. The following table lists all costs of quality incurred by Sam’s Surf Shop last year. Whatwas Sam’s appraisal cost for quality last year?Annual inspection costs $ 155,000Annual cost of scrap materials 286,000Annual rework cost 34,679Annual cost of quality training...
by ella | Feb 26, 2025 | Statistics
· Question 1 5 out of 5 points A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the probability that it is blue? · Question 2 5 out of 5 points Of 1,735 people who came into a blood bank to give...
by ella | Feb 26, 2025 | Statistics
· What is being tested when the Goodness-of-Fit test is used to analyze the data? · Question 2 5 out of 5 points Which of the following occurs when the chi square value is small? · Question 3 5 out of 5 points If the chi square test suggests that you should fail to...