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A custodian wishes to compare two competing floor waxes to decide which one is best. He believes that the mean of WaxWin is less than the mean of WaxCo. In a random sample of 60 floors of WaxWin and 33 of WaxCo. WaxWin had a mean lifetime of 20.5 and WaxCo had a mean lifetime of 20.6. The population standard deviation for WaxWin is assumed to be 10.3 and the population standard deviation for WaxCo is assumed to be 8.4. Perform a hypothesis test using a significance level of 0.10 to help him decide. Let WaxWin be sample 1 and WaxCo be sample 2. The correct hypotheses are: Ο Ηο: μι < με HA: M1 M₂(claim) Ο Ηο: με 2 με HA1₂(claim) O Ho: ₁ = 2 HA: M12(claim) Since the level of significance is 0.10 the critical value is -1.282 (round to 3 places) The test statistic is: The p-value is: (round to 3 places)

A custodian wishes to compare two competing floor waxes to decide which one is best. He believes that the mean of WaxWin is less than the mean of WaxCo. In a random sample of 60 floors of WaxWin and 33 of WaxCo. WaxWin had a mean lifetime of 20.5 and WaxCo had a mean lifetime of 20.6. The population standard deviation for WaxWin is assumed to be 10.3 and the population standard deviation for WaxCo is assumed to be 8.4. Perform a hypothesis test using a significance level of 0.10 to help him decide. Let WaxWin be sample 1 and WaxCo be sample 2. The correct hypotheses are: Ο Ηο: μι < με HA: M1 M₂(claim) Ο Ηο: με 2 με HA1₂(claim) O Ho: ₁ = 2 HA: M12(claim) Since the level of significance is 0.10 the critical value is -1.282 (round to 3 places) The test statistic is: The p-value is: (round to 3 places)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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A custodian wishes to compare two competing floor waxes to decide which one is best. He believes that the mean of WaxWin is less than the mean of WaxCo. In a random sample of 60 floors of WaxWin and 33 of WaxCo. WaxWin had a mean lifetime of 20.5 and WaxCo had a mean lifetime of 20.6. The population standard deviation for WaxWin is assumed to be 10.3 and the population standard deviation for WaxCo is assumed to be 8.4. Perform a hypothesis test using a significance level of 0.10 to help him decide. Let WaxWin be sample 1 and WaxCo be sample 2. The correct hypotheses are: Ο Ηο: μι < με HA: M1 M₂(claim) Ο Ηο: με 2 με HA1₂(claim) O Ho: ₁ = 2 HA: M12(claim) Since the level of significance is 0.10 the critical value is -1.282 (round to 3 places) The test statistic is: The p-value is: (round to 3 places)
Transcribed Image Text:A custodian wishes to compare two competing floor waxes to decide which one is best. He believes that the mean of WaxWin is less than the mean of WaxCo. In a random sample of 60 floors of WaxWin and 33 of WaxCo. WaxWin had a mean lifetime of 20.5 and WaxCo had a mean lifetime of 20.6. The population standard deviation for WaxWin is assumed to be 10.3 and the population standard deviation for WaxCo is assumed to be 8.4. Perform a hypothesis test using a significance level of 0.10 to help him decide. Let WaxWin be sample 1 and WaxCo be sample 2. The correct hypotheses are: Ο Ηο: μι < με HA: M1 M₂(claim) Ο Ηο: με 2 με HA1₂(claim) O Ho: ₁ = 2 HA: M12(claim) Since the level of significance is 0.10 the critical value is -1.282 (round to 3 places) The test statistic is: The p-value is: (round to 3 places)
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