Gillette claims that their double-edge shaver is better than the leading brand of single-edge shavers (Lady...

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Gillette claims that their double-edge shaver is better than theleading brand of single-edge shavers (Lady Bic). In a recent study,26 women rated the Gillette and the Lady Bic shavers on smoothness,closeness and safety. One group of women were used and each womanrecorded two scores. The mean difference of those scores weretested with the following results.
Critical Valueâ€¦â€¦â€¦â€¦â€¦ t = 1.645
Test statistic ..................... t = 1.978
P-value.............................. = . 031
Significance level â€¦â€¦........... = .05
What type of conclusion error could be made using the results ofthis study?
Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â a) type IIÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â b)Â Â noneÂ Â Â Â Â Â Â Â Â Â Â c) type IIIÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â d)type I

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Since we have to test if the scores of Gillette are better thanthose of Lady Bic the null and alternative hypotheses would bearethe population mean scores See Answer

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