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Name: Several students were tested for reaction times (in thousandths of a
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Description: Several students were tested for reaction times (in thousandths of a second) using their right and left hands. (Each value is the elapsed time between the release of a strip of paper and the instant that it is caught by the subject.) Results from

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 10CYU

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Several students were tested for reaction times (in thousandths of a second) using their right and left hands. (Each value is the elapsed time between the release of a strip of paper and the instant that it is caught by the subject.) Results from five of the students are included in the graph to the right. Use a 0.10 significance level to test the claim that there is no difference between the reaction times of the right and left hands.

Right_hand Left_hand
111 121
109 134
146 160
169 191
185 212

mean of the differences, =/=

What is the test statistic?

(round to three decimal places)

Identify the critical value(s). Select the correct choice below and fill the answer box within your choice.

(Round to three decimal places as needed.)

a. The critical value is t=__.

b. The critical values are t=±__.

is, no difference

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