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In an article appearing in Today's Health a writer states that the average number of calories in a serving of popcorn is 76. To determine
In an article appearing inToday's Healtha writer states that the average number of calories in a serving of popcorn is 76. To determine if the average number of calories in a serving of popcorn is different from 76, a nutritionist selected a random sample of 20 servings of popcorn and computed the sample mean number of calories per serving to be 80 with a sample standard deviation of 6.3.
State the null and alternative hypotheses.
Question 7 options:
a) H0:=76,H1:76
b) H0:76,H1:>76
c) H0:76,H1:<76
d) H0:=80,H1:>80
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