# Question: The calculated value of the test statistic is actually the

The calculated value of the test statistic is actually the number of standard errors that the sample mean differs from the hypothesized value of µ in the null hypothesis. Suppose that the null hypothesis is Ho: µ = 4.5 , σ is known to be 1.0, and a sample of size 100 results in = 4.8 .

a. How many standard errors is above 4.5?

b. If the alternative hypothesis is Ha: µ = 4.5 and , would you reject Ho?

a. How many standard errors is above 4.5?

b. If the alternative hypothesis is Ha: µ = 4.5 and , would you reject Ho?

**View Solution:**## Answer to relevant Questions

Find the level of confidence assigned to an interval estimate of the mean formed using the following intervals: Using the computer output and information in Exercise 8.153, determine the value of the following: a. Hypothesized value of population mean b. Sample mean c. Population standard deviation d. Test statistic A fire insurance company thought that the mean distance from a home to the nearest fire department in a suburb of Chicago was at least 4.7 miles. It set its fire insurance rates accordingly. Members of the community set out ...The standard deviation of a normally distributed population is equal to 10. A sample size of 25 is selected, and its mean is found to be 95. a. Find an 80% confidence interval for m. b. What would the 80% confidence ...A fish hatchery manager wants to estimate the mean length of her 3-year-old hatchery-raised trout. She wants to make a 99% confidence interval accurate to within 1\3 of a standard deviation. How large a sample does she need ...Post your question