Question

A.

W 9.3.9 Question Help O 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. Click the icon to view the reaction time data table. Left Hand 140+ 100 140 Richt Hand 780 What are the hypotheses for this test? mean of the differences of the right and left hand reaction times. Let Hy be the Ho Hd = 0 Hi Ho 0 What is the test statistic? - (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. parts 2 remaining Clear All Check Answer

B.

The​ 95% confidence interval is _____ <μd< _____.

​(Round to two decimal places as​ needed.)

What does the confidence interval suggest about farmer​ Joe's claim that type 1 seed is better than type 2​ seed?

A. Because the confidence interval only includes positive values and does not include ​zero, there

is not sufficient evidence to support farmer​ Joe's claim.

B. Because the confidence interval includes ​zero, there is sufficient evidence to support farmer​ Joe's claim.

C. Because the confidence interval includes ​zero, there is not sufficient evidence to support farmer​ Joe's claim.

D. Because the confidence interval only includes positive values and does not include ​zero, there is sufficient evidence to support farmer​ Joe's claim

C.

1. Find the value of the test statistic=_____ (Round to three decimal places)

2. 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= +/-____

B) The critical value is t=______.

3. State the result of the test. Choose the correct answer below.

A) There is sufficient evidence to warrant rejection of the claim of no effect. Hospital admissions appear to be affected.

B) There is not sufficient evidence to warrant rejection of the claim of no effect. Hospital admissions do not appear to be affected.

C) There is not sufficient evidence to warrant rejection of the claim of no effect. Hospital admissions appear to be affected.

D) There is sufficient evidence to warrant rejection of the claim of no effect. Hospital admissions do not appear to be affected.

D.

P.S Can you please answer part A-D. I am very sick and I can't think right now. Please help me im begging you. My assignment is due tonight and Ive been stuck in bed all week. Please help. May god bless your soul!

Answer 1

difference hand Right hand left 40 131 -36 1 18 - C IS4 I7O 176 187 - 27 93 I66 G1 24.125 168.8 mean= 1432 sd 22.11 Ho d o H do To test Test statisticr UNIPS - 19.8 432/ t -3.873 The critic vaues are, t 3. 747 At 002, df n-1-S-134from t-table) t1 to Reject Ho There is enough evidence to oarrnt rejection elaim that there is difference betuieen of the reaction timme the the f Fight and left hands

from aiven data ey n: 8 Sd 37.393 confidence interval is, 95 The * Sd 62 5 +2.365 t 2. 365 o.OS 343.ך X df n- 8 - -I625 ± 3 1 .2 6 6 3 confidence intervad is-32.89, 29.4 The 32 89 ud 29.64 the confidence intervs include 2ero, there Because not sufficient evidence to support farmer Joes claim diff friday 13th friday 6th S 14 -7 1 5 2 -2 2 - 9 4 12 -4 2 8 mean 3. 344 3.29 sd 3.69

H, do To +est Ho ud: o VS statistic Test aN/PS 4 it 3.347NG t - 2. 928 critical Values at df n- 6 ~- S Critical v elues re Ct) 2. 141> triticalL Here Reject Ho There is sufficient evidence toaarrcunt Tejection no effect Hospital of the clalm thert of admission affected not are Right left arm Arm difference 143 8 3 - 40 134 82 -48 13 3 ISS -22 135 134 139.2 mean 26.3 2-154 7-694 PS 8.81

Ha ud t o To test Ho V S Test 8tatistic, t. Sd N 26 8 t - 18.8CS - 3 117 t P -value S-14 O o33 C df n- (At 0.0S tess than sìgnificance level. since P-value is the There is sufficient Reject the null hypothesi s evidence o Support Ihe claim tnat difference in meusuremen ts betoeen the mean tuo O