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 the back-to-back stem-and-leaf plot. At a = 0.01, is 99652100 509 there enough evidence to support the claim that the 997544436 00012 new method of teaching reading produces higher Old New Curr Curriculum 33 97 4 2 700222 (b) Find the critical value(s) and identify the rejection region(s).

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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
the back-to-back stem-and-leaf plot. At a = 0.01, is 99652100 509
there enough evidence to support the claim that the 997544436 00012
new method of teaching reading produces higher
Old New Curr
Curriculum
33
97 4 2
700222
(b) Find the critical value(s) and identify the rejection region(s).
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 the back-to-back stem-and-leaf plot. At a = 0.01, is 99652100 509 there enough evidence to support the claim that the 997544436 00012 new method of teaching reading produces higher Old New Curr Curriculum 33 97 4 2 700222 (b) Find the critical value(s) and identify the rejection region(s).
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