You are given the following information obtained from a random sample of 4 observations. 25 47 32 56 You want to determine whether or not the mean of the population from which this sample was taken is significantly different from 48 . (Assume the population is normally distributed.)
a. State the null and the alternative hypotheses.
b. Determine the test statistic.
c. Determine the p-value; and at 95% confidence test to determine whether or not the mean of the population is significantly different from 48.
a. H0: ? = 48
Ha: ? ? 48
b. t = -1.137
c. p-value is between 0.2 and 0.4 (two tailed); do not reject H0.
You might also like to view...
In high context cultures, relationships tend to be
A. pragmatic. B. short term. C. medium term, except for family. D. long term.
RFID uses radio waves to identify and track materials tagged with special microchips.
Answer the following statement true (T) or false (F)
Which of the following would NOT be considered a business?
a. a restaurant b. a gas station c. an elementary school d. Wal-Mart e. UPS
Purchasers of a stock selling ex dividend receive the current dividend
Indicate whether the statement is true or false