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AT U - U.10, Can til method produces steel with a greater mean tensile strength? Assume the population variances are not equal. ding g test hod" 21. Teaching Methods A new method of teaching reading is being tested on third grade students. A group of third grade students is taught using the new curriculum. A control group of third grade students is taug using the old curriculum. The reading test scores for the two groups arr shown in the back-to-back stem-and-leaf plot. .303 Old Curriculum New Curriculum 6. ai 4 ce 9 88 4 33 2 1 2 4 7642 2 1 00 6. 0 11 4777778 99 011233 49 8 2 4 Key: 9 43 = 49 for old curriculum and 43 for new curriculum %3D At a = 0.10, is 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.

AT U - U.10, Can til method produces steel with a greater mean tensile strength? Assume the population variances are not equal. ding g test hod" 21. Teaching Methods A new method of teaching reading is being tested on third grade students. A group of third grade students is taught using the new curriculum. A control group of third grade students is taug using the old curriculum. The reading test scores for the two groups arr shown in the back-to-back stem-and-leaf plot. .303 Old Curriculum New Curriculum 6. ai 4 ce 9 88 4 33 2 1 2 4 7642 2 1 00 6. 0 11 4777778 99 011233 49 8 2 4 Key: 9 43 = 49 for old curriculum and 43 for new curriculum %3D At a = 0.10, is 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.

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
Section10.3: Measures Of Spread
Problem 1GP
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AT U - U.10, Can til method produces steel with a greater mean tensile strength? Assume the population variances are not equal. ding g test hod" 21. Teaching Methods A new method of teaching reading is being tested on third grade students. A group of third grade students is taught using the new curriculum. A control group of third grade students is taug using the old curriculum. The reading test scores for the two groups arr shown in the back-to-back stem-and-leaf plot. .303 Old Curriculum New Curriculum 6. ai 4 ce 9 88 4 33 2 1 2 4 7642 2 1 00 6. 0 11 4777778 99 011233 49 8 2 4 Key: 9 43 = 49 for old curriculum and 43 for new curriculum %3D At a = 0.10, is 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.
Transcribed Image Text:AT U - U.10, Can til method produces steel with a greater mean tensile strength? Assume the population variances are not equal. ding g test hod" 21. Teaching Methods A new method of teaching reading is being tested on third grade students. A group of third grade students is taught using the new curriculum. A control group of third grade students is taug using the old curriculum. The reading test scores for the two groups arr shown in the back-to-back stem-and-leaf plot. .303 Old Curriculum New Curriculum 6. ai 4 ce 9 88 4 33 2 1 2 4 7642 2 1 00 6. 0 11 4777778 99 011233 49 8 2 4 Key: 9 43 = 49 for old curriculum and 43 for new curriculum %3D At a = 0.10, is 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.
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