Mathematics, 27.07.2021 03:40, keitorinjonson

Gillette claims that their double-edge shaver is better than the leading 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 woman recorded two scores. The mean difference of those scores were tested with the following results. Critical Value…………… t = 1.645

Test statistic t = 1.978

P-value = . 031

Significance level …… = .05

What type of conclusion error could be made using the results of this study?
a)type I
b)no possible error
c)type III
d)type II

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 20:00, ayoismeisalex

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean and standard deviation according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Answers: 3

continue

Mathematics, 21.06.2019 20:10, lele142018

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Answers: 3

continue

Mathematics, 21.06.2019 23:20, lexybellx3

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)

Answers: 3

continue

Mathematics, 22.06.2019 01:10, ljdavies51

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)