A study conducted by the research department of a pharmaceutical company claims that the annual spending...
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A study conducted by the research department of a pharmaceutical company claims that the annual spending (per person) for prescription drugs for allergy relief, 1 is greater than or equal to the annual spending (per person) for non-prescription allergy relief medicine, u,. A health insurance company conducted an independent study and collected data from a random sample of 200 individuals for prescription allergy relief medicine. The sample mean is found to be 17.7 dollars/year, with a sample standard deviation of 5.2 dollars/year. They have also collected data for non-prescription allergy relief medicine. An independent random sample of 255 individuals yielded a sample mean of 18.3 dollars/year, and a sample standard deviation of 4.5 dollars/year. Since the sample size is quite large, it is assumed that the population standard deviation of the sales (per person) for prescription and non-prescription allergy relief medicine can be estimated by using the sample standard deviation values given above. Is there sufficient evidence to reject the claim made by the research department of the company, at the 0.05 level of significance? Perform a one-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) H. The null hypothesis: The alternative hypothesis: H, : ローロ ロsロ The type of test statistic: (Choose one) 口ーロ The value of the test statistic: (Round to at least three decimal places.) The critical value at the 0.05 level of significance: (Round to at least three decimal places.) मदाट Go to Sett www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-IBGBIH_OB3uhhqwxlXoS5SIQhuX6YjFjUgDFMGp6G|IKoy30rVpg70MUNcyeJ4Fr9Eg_rk4AiqEtHNB3CBMmPnaoXO2Hiago?1oBw7QYjlbavbSPXtx-YCjsh_7mM O CONFIDENCE INTERVALS AND HYPOTHESIS TESTING Emmanuel V Hypothesis test for the difference of population means: Z test compar the 0.05 level of significance? Perform a one-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) The null hypothesis: 文 An The alternative hypothesis: H1 ロ口 O=0 口S口 The type of test statistic: (Choose one) ▼ The value of the test statistic: (Round to at least three decimal places.) The critical value at the 0.05 level of significance: (Round to at least three decimal places.) Can we reject the claim that the mean spending on prescription allergy relief medication is greater than or equal to the mean spending on non-prescription allergy relief medication? Yes O No Actvetewrndos Explanation Check 2020 MGraw-Hill Edlucation, All Rights Reserved. Terms of Use Privacy Accessibility 1:5 ヘ 11/2 Type here to search A study conducted by the research department of a pharmaceutical company claims that the annual spending (per person) for prescription drugs for allergy relief, 1 is greater than or equal to the annual spending (per person) for non-prescription allergy relief medicine, u,. A health insurance company conducted an independent study and collected data from a random sample of 200 individuals for prescription allergy relief medicine. The sample mean is found to be 17.7 dollars/year, with a sample standard deviation of 5.2 dollars/year. They have also collected data for non-prescription allergy relief medicine. An independent random sample of 255 individuals yielded a sample mean of 18.3 dollars/year, and a sample standard deviation of 4.5 dollars/year. Since the sample size is quite large, it is assumed that the population standard deviation of the sales (per person) for prescription and non-prescription allergy relief medicine can be estimated by using the sample standard deviation values given above. Is there sufficient evidence to reject the claim made by the research department of the company, at the 0.05 level of significance? Perform a one-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) H. The null hypothesis: The alternative hypothesis: H, : ローロ ロsロ The type of test statistic: (Choose one) 口ーロ The value of the test statistic: (Round to at least three decimal places.) The critical value at the 0.05 level of significance: (Round to at least three decimal places.) मदाट Go to Sett www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-IBGBIH_OB3uhhqwxlXoS5SIQhuX6YjFjUgDFMGp6G|IKoy30rVpg70MUNcyeJ4Fr9Eg_rk4AiqEtHNB3CBMmPnaoXO2Hiago?1oBw7QYjlbavbSPXtx-YCjsh_7mM O CONFIDENCE INTERVALS AND HYPOTHESIS TESTING Emmanuel V Hypothesis test for the difference of population means: Z test compar the 0.05 level of significance? Perform a one-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) The null hypothesis: 文 An The alternative hypothesis: H1 ロ口 O=0 口S口 The type of test statistic: (Choose one) ▼ The value of the test statistic: (Round to at least three decimal places.) The critical value at the 0.05 level of significance: (Round to at least three decimal places.) Can we reject the claim that the mean spending on prescription allergy relief medication is greater than or equal to the mean spending on non-prescription allergy relief medication? Yes O No Actvetewrndos Explanation Check 2020 MGraw-Hill Edlucation, All Rights Reserved. Terms of Use Privacy Accessibility 1:5 ヘ 11/2 Type here to search
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Statistics Informed Decisions Using Data
ISBN: 978-0134133539
5th edition
Authors: Michael Sullivan III
Posted Date:
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