The analyst in Exercise 8 wants to know if the mean purchase amount of all transactions is
Question:
a) What is the null hypothesis?
b) Is the alternative one- or two-sided?
c) 'What is the value of the test statistic?
d) What is the P-value of the test statistic?
e) What do you conclude at alpha = 0.05?
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a H 0 40 b b H A 40 c c t 19 1138 ...View the full answer
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Related Book For 
Business Statistics
ISBN: 9780321925831
3rd Edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
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