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A group of third grade students is taught using a new curriculum. A control group of third grade students is taught using the old curriculum. The reading test scores for the two groups are shown in 97665310 589 the back-to-back stem-and-leaf plot. At a0.10, is 877541106012233778899 there enough evidence to support the claim that the new method of teaching reading produces higher reading test scores than the old method does? Assume the population variances are equal. Complete parts (a) through (e) below. Assume the samples are random and independent, and the populations are normally distributed. Old Curriculum New Curriculum 93 97 40 01356799 Key: 417|0 = 74 Old and 70 New (a) Identify the claim and state Hg and Hg. Which is the correct claim below? OA. "The new method of teaching reading produces higher reading test scores than the old method." OB. "The new method of teaching reading produces equal reading test scores as the old method. OC. "The new method of teaching reading produces lower reading test scores than the old method." OD. "The new method of teaching reading produces different reading test scores than the old method." What are Hg and H,? Assume that u, represents the mean of the test scores of those taught with the old curiculum and uz represents the mean from the new curriculum. Identify the claim. The null hypothesis, Ho. is The alternative hypothesis, Ha. is Which hypothesis is the claim? O The altemative hypothesis, Ha O The null hypothesis, Ho Decide whether to reject or fail to reject the null hypothesis. the null hypothesis. (e) Interpret the decision in the context of the original claim. At the 10% significance level, enough evidence to support the claim.

A group of third grade students is taught using a new curriculum. A control group of third grade students is taught using the old curriculum. The reading test scores for the two groups are shown in 97665310 589 the back-to-back stem-and-leaf plot. At a0.10, is 877541106012233778899 there enough evidence to support the claim that the new method of teaching reading produces higher reading test scores than the old method does? Assume the population variances are equal. Complete parts (a) through (e) below. Assume the samples are random and independent, and the populations are normally distributed. Old Curriculum New Curriculum 93 97 40 01356799 Key: 417|0 = 74 Old and 70 New (a) Identify the claim and state Hg and Hg. Which is the correct claim below? OA. "The new method of teaching reading produces higher reading test scores than the old method." OB. "The new method of teaching reading produces equal reading test scores as the old method. OC. "The new method of teaching reading produces lower reading test scores than the old method." OD. "The new method of teaching reading produces different reading test scores than the old method." What are Hg and H,? Assume that u, represents the mean of the test scores of those taught with the old curiculum and uz represents the mean from the new curriculum. Identify the claim. The null hypothesis, Ho. is The alternative hypothesis, Ha. is Which hypothesis is the claim? O The altemative hypothesis, Ha O The null hypothesis, Ho Decide whether to reject or fail to reject the null hypothesis. the null hypothesis. (e) Interpret the decision in the context of the original claim. At the 10% significance level, enough evidence to support the claim.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A group of third grade students is taught using a new curriculum. A control group of third grade students is taught using the old curriculum. The reading test scores for the two groups are shown in 97665310 589 the back-to-back stem-and-leaf plot. At a= 0.10, is 87754110 6012233778899 there enough evidence to support the claim that the new method of teaching reading produces higher reading test scores than the old method does? Assume the population variances are equal. Complete parts (a) through (e) below. Assume the samples are random and independent, and the populations are normally distributed. Old Curriculum New Curriculum 93 9740 701356799 839 Key: 417|0 - 74 Old and 70 New (a) Identify the claim and state Hg and Ha. Which is the correct dlaim below? O A. "The new method of teaching reading produces higher reading test scores than the old method." B. "The new method of teaching reading produces equal reading test scores as the old method." Oc. "The new method of teaching reading produces lower reading test scores than the old method." OD. "The new method of teaching reading produces different reading test scores than the old method." What are Hg and Ha? Assume that u represents the mean of the test scores of those taught with the old curriculum and u2 represents the mean from the new curriculum. Identify the claim. The null hypothesis, Hg. is The alternative hypothesis, Ha. is Which hypothesis is the claim? O The altemative hypothesis, Ha O The null hypothesis, Ho Decide whether to reject or fail to reject the null hypothesis. the null hypothesis. (e) Interpret the decision in the context of the original claim. At the 10% significance level, enough evidence to support the claim.
Transcribed Image Text:A group of third grade students is taught using a new curriculum. A control group of third grade students is taught using the old curriculum. The reading test scores for the two groups are shown in 97665310 589 the back-to-back stem-and-leaf plot. At a= 0.10, is 87754110 6012233778899 there enough evidence to support the claim that the new method of teaching reading produces higher reading test scores than the old method does? Assume the population variances are equal. Complete parts (a) through (e) below. Assume the samples are random and independent, and the populations are normally distributed. Old Curriculum New Curriculum 93 9740 701356799 839 Key: 417|0 - 74 Old and 70 New (a) Identify the claim and state Hg and Ha. Which is the correct dlaim below? O A. "The new method of teaching reading produces higher reading test scores than the old method." B. "The new method of teaching reading produces equal reading test scores as the old method." Oc. "The new method of teaching reading produces lower reading test scores than the old method." OD. "The new method of teaching reading produces different reading test scores than the old method." What are Hg and Ha? Assume that u represents the mean of the test scores of those taught with the old curriculum and u2 represents the mean from the new curriculum. Identify the claim. The null hypothesis, Hg. is The alternative hypothesis, Ha. is Which hypothesis is the claim? O The altemative hypothesis, Ha O The null hypothesis, Ho Decide whether to reject or fail to reject the null hypothesis. the null hypothesis. (e) Interpret the decision in the context of the original claim. At the 10% significance level, enough evidence to support the claim.
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