A cream with alpha hydroxy acid,

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Reference no: EM13782299

Pond's Age-Defying Complex, a cream with alpha hydroxy acid, advertises that it can reduce wrinkles and improve the skin. In a study published in Archives of Dermatology (recent year), 33 middle-aged women used a cream with alpha hydroxy acid for 22 weeks. At the end of the study period, a dermatologist judged whether each woman exhibited skin improvement. The results for the 33 women are listed below. Improved Improved No improvement Improved No improvement No improvement Improved Improved Improved Improved Improved Improved No improvement Improved Improved Improved No improvement Improved Improved Improved No improvement Improved No improvement Improved Improved Improved Improved Improved Improved No improvement Improved Improved No improvement a) MINITAB Output. Enter these data into a MINITAB worksheet all in one column. Use Skin Cream as your header. Select Stat > Basic Statistics > 1- Proportion... Complete the dialog in order to obtain a 97 percent confidence interval. b) Based on the 97% confidence interval for women exhibiting no improvement, do you have sufficient evidence to conclude that the cream will improve the skin of more than 60% of middle-aged women? Explain

Reference no: EM13782299

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A cream with alpha hydroxy acid, : Use Skin Cream as your header. Select Stat > Basic Statistics > 1- Proportion... Complete the dialog in order to obtain a 97 percent confidence interval. b) Based on the 97% confidence interval for women exhibiting no improvement, do you have suffici..

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