help you answer this Correct Answer (a) No. = 458.2, which is greater than max and min. (b) If the mean daily calcium intake for women IQR Q3 Q1 − − 18 to 24 years of age is really 1200 mg, then the likelihood of getting a sample of 36 women with a mean intake of 856.2 mg or smaller is roughly 0. (c) State: = 1200 versus < 1200, where is the actual mean daily H0: Ha: μ μ μ calcium intake of women 18 to 24 years of age. Plan: One-sample test for The sample was randomly t Random: μ. selected. The sample size was 36, which is at least 30. There are clearly many more than 360 Normal: Independent: women in the United States. Do: = is approximately 0. Conclude: Since our is less than t −6.73, P-value P-value 0.05, we reject It appears that women in this age range are getting less than 1200 mg of calcium daily, on average. H0. An investor with a stock portfolio worth several hundred thousand dollars sued his broker due to the low returns he got from the portfolio at a time when the stock market did well overall. The investor’s lawyer wants to compare the broker’s against the market as a whole. He collects data on the broker’s
help you answer this Correct Answer (a) No. IQR = 458.2, which is greater than max − Q3 and Q1 − min. (b) If the mean daily calcium intake for women 18 to 24 years of age is really 1200 mg, then the likelihood of getting a sample of 36 women with a mean intake of 856.2 mg or smaller is roughly 0. (c) State: H0: μ = 1200 versus Ha: μ < 1200, where μ is the actual mean daily calcium intake of women 18 to 24 years of age. Plan: One-sample t test for μ. Random: The sample was randomly selected. Normal: The sample size was 36, which is at least 30. Independent: There are clearly many more than 360 women in the United States. Do: t = −6.73, P-value is approximately 0. Conclude: Since our P-value is less than 0.05, we reject H0. It appears that women in this age range are getting less than 1200 mg of calcium daily, on average. An investor with a stock portfolio worth several hundred thousand dollars sued his broker due to the low returns he got from the portfolio at a time when the stock market did well overall. The investor’s lawyer wants to compare the broker’s against the market as a whole. He collects data on the broker’s