Dura burn claims its light bulbs have at least twice the average lifetime of superglos bulbs. The mean lifetime of the superglos bulbs is mean u=364 hours. A sample of 14 bulbs exhibited an average lifetime xbar = 689 hours with a standard deviation s= 364 hours. Using the hypotheses Ho= 728 Ha<728 compute the test statistic, find the pvalue for the sample
Dura burn claims its light bulbs have at least twice the average lifetime of superglos bulbs. The mean lifetime of the superglos bulbs is mean u=364 hours. A sample of 14 bulbs exhibited an average lifetime xbar = 689 hours with a standard deviation s= 364 hours. Using the hypotheses Ho= 728 Ha<728 compute the test statistic, find the pvalue for the sample
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Dura burn claims its light bulbs have at least twice the average lifetime of superglos bulbs. The mean lifetime of the superglos bulbs is mean u=364 hours. A sample of 14 bulbs exhibited an average lifetime xbar = 689 hours with a standard deviation s= 364 hours. Using the hypotheses Ho= 728 Ha<728 compute the test statistic, find the pvalue for the sample
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