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The National Coalition on Healthcare suggests that the mean annual premium that a health insurer charges an employer for a health plan covering a family of four averaged $13,000 in 2009. A sample of 30 families of four yields a mean annual premium paid by their employer to be $13,500 with a sample standard deviation of $300. We are interested in whether the mean annual premium that a health insurer charges an employer for a health plan covering a family of four is different from $13,000 using a significance level of 0.10. Select one: O a. tdata = 9.129, do not reject Ho. O b. tdata = 9.129, reject Ho. O c. tdata = -9.129, do not reject Ho. O d. tdata = 4.156, reject Ho.

The National Coalition on Healthcare suggests that the mean annual premium that a health insurer charges an employer for a health plan covering a family of four averaged $13,000 in 2009. A sample of 30 families of four yields a mean annual premium paid by their employer to be $13,500 with a sample standard deviation of $300. We are interested in whether the mean annual premium that a health insurer charges an employer for a health plan covering a family of four is different from $13,000 using a significance level of 0.10. Select one: O a. tdata = 9.129, do not reject Ho. O b. tdata = 9.129, reject Ho. O c. tdata = -9.129, do not reject Ho. O d. tdata = 4.156, reject Ho.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
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The National Coalition on Healthcare suggests that the mean annual premium that a health insurer charges an employer for a health plan covering a family of four averaged $13,000 in 2009. A sample of 30 families of four yields a mean annual premium paid by their employer to be $13,500 with a sample standard deviation of $300. We are interested in whether the mean annual premium that a health insurer charges an employer for a health plan covering a family of four is different from $13,000 using a significance level of 0.10. Select one: - a. \( t_{\text{data}} = 9.129 \), do not reject \( H_0 \). - b. \( t_{\text{data}} = 9.129 \), reject \( H_0 \). - c. \( t_{\text{data}} = -9.129 \), do not reject \( H_0 \). - d. \( t_{\text{data}} = 4.156 \), reject \( H_0 \).
Transcribed Image Text:The National Coalition on Healthcare suggests that the mean annual premium that a health insurer charges an employer for a health plan covering a family of four averaged $13,000 in 2009. A sample of 30 families of four yields a mean annual premium paid by their employer to be $13,500 with a sample standard deviation of $300. We are interested in whether the mean annual premium that a health insurer charges an employer for a health plan covering a family of four is different from $13,000 using a significance level of 0.10. Select one: - a. \( t_{\text{data}} = 9.129 \), do not reject \( H_0 \). - b. \( t_{\text{data}} = 9.129 \), reject \( H_0 \). - c. \( t_{\text{data}} = -9.129 \), do not reject \( H_0 \). - d. \( t_{\text{data}} = 4.156 \), reject \( H_0 \).
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