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 0.02 significance level to test the claim that there is no difference between the reaction times of the right and left hands. E Click the icon to view the reaction time data table. Reaction Time Data Table What are the hypotheses for this test? Right Hand Left Hand Let Pd be the mean of the differences of the right and left hand reaction times. 104 113 Ho: Hd = 0 111 124 160 178 H1: Hd # 0 173 191 What is the test statistic? 189 209 t= - 7.742 (Round to three decimal places as needed.) Print Done 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 values are t= ± 3.747. O B. The critical value is t= What is the conclusion? There is enough evidence to warrant rejection of the claim that there is no difference between the reaction times of the right and left hands.

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 0.02 significance level to test the claim that there is no difference between the reaction times of the right and left hands. E Click the icon to view the reaction time data table. Reaction Time Data Table What are the hypotheses for this test? Right Hand Left Hand Let Pd be the mean of the differences of the right and left hand reaction times. 104 113 Ho: Hd = 0 111 124 160 178 H1: Hd # 0 173 191 What is the test statistic? 189 209 t= - 7.742 (Round to three decimal places as needed.) Print Done 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 values are t= ± 3.747. O B. The critical value is t= What is the conclusion? There is enough evidence to warrant rejection of the claim that there is no difference between the reaction times of the right and left hands.

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A: Solution

Concept explainers

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.

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0.02

significance level to test the claim that there is no difference between the reaction times of the right and left hands.

Click the icon to view the reaction time data table.

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 0.02 significance level to test the claim that there is no difference between the reaction times of the right and left hands.
E Click the icon to view the reaction time data table.
Reaction Time Data Table
What are the hypotheses for this test?
Right Hand
Left Hand
Let
Pd
be the
mean of the differences
of the right and left hand reaction times.
104
113
Ho: Hd
= 0
111
124
160
178
H1: Hd # 0
173
191
What is the test statistic?
189
209
t= - 7.742 (Round to three decimal places as needed.)
Print
Done
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 values are t= ± 3.747.
O B. The critical value is t=
What is the conclusion?
There
is enough evidence to warrant rejection of the claim that there is no difference between the reaction times of the right and left hands.

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