CoffeeParticipaPulse (bpm)ntBeforeAfter183827290380904687457882676867898577797779108479119594128985Perform a t-test (signiticance level a - 0.05) to test your null hypothesis and comparePulse before consume coffee and pulse after consume coffee2.

Given that Sample size n =12 Level of significance =alpha =0.05 Degree of freedom =df = n-1

Answered: Participa Pulse (bpm) nt Before After 1…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Test the claim that for the population of statistics final exams, the mean score is 7676 using alternative hypothesis that the mean score is different from 76.76. Sample statistics include ?=21,n=21, ?⎯⎯⎯=78,x¯=78, and ?=11.s=11. Use a significance level of ?=0.05.α=0.05. (Assume normally distributed population.) The test statistic is The positive critical value is The negative critical value is The conclusion is A. There is sufficient evidence to reject the claim that the mean score is equal to 76. B. There is not sufficient evidence to reject the claim that the mean score is equal to 76.
9th Grade 10th grade 11th grade 12th grade 6 10 17 15 9 12 8 16 6 11 11 12 7 11 14 12 7 14 15 12 Using the table in the back of the book, find the critical value for F with a standard deviation of .05
Can you please check my work
Chapter 9, Section 2, Exercise 032 Use the following ANOVA table for regression to answer the questions. Response: Y Source DF Sum Sq Mean Sq F-value Pr(>F) Regression 1 355.21 355.21 14.76 0.000 Residual Error 359 8641.13 24.07 Total 360 8996.34 Give the F-statistic and p-value.Enter the exact answers.The F-statistic is=The p-value is=
78 Answer was incorrect
Can you please check my work
tailed test at the .01 level of significon =D2.5 points with the changed answers. The standard deviation for the difference scores was s = 3.1. Are the Matched Pair No-Change Section Change Section 71 86 #1 68 80 # 2 88 91 #3 65 74 # 4 73 82 #5 81 89 # 6 85 85 #7 86 88 # 8 65 76 #9 The teacher from Problem 21 also tried a different ap- proach to determining whether changing answers helps or hurts exam grades. In another class, students were told to review their final exams and change any answers they wanted to before turning them in. However, the students had to indicate both the original answer and the changed answer for each question. The teacher graded cach exam twice, once using the set of original answers and once with the changes. In the class of n = dents, the exam scores improved by an average Of MD 22 stu- ation for the difference scores was s = 3.1. Are the ala sufficient to conclude that rethinking and changing wers can significantly improve scores? Use a olle- %3D 23 וויו…
#2 Data show that men between the ages of 20 and 29 in a general population have a mean height of 69.3 inches, with a standard deviation of 2.9 inches. A baseball analyst wonders whether the standard deviation of heights of major-league baseball players is less than 2.9 inches. The heights (in inches) of 20 randomly selected players are shown in the table. 7274717176707774727277737570737475737474 The null hypothesis is H0 The alternative hypothesis is H1 Calculate the value of the test statistic X2= What is the correct conclusion at the alpha equals 0.10 level of significance?
17 first drop down- more than 5% points apart or within 5% points of eachother second drop down- less than, about the same, more than
determine if the frequency of deficiencies of variable (significant medications) are statistically significantly different between for-profit and non-profit nursing homes, interpret the results for the chi-square?
9th grade 10th grade 11th grade 12th grade 6 10 17 15 9 12 8 16 6 11 11 12 7 11 14 12 7 14 15 12 find the critical value for F (F crit) with a standard deviation .05
Calculate the sample mean and sample standard deviation of the test scores. Frequency 6. Test Scores 40 - 49 50 - 59 60 - 69 7 4. 70-79 80 - 89 8 90 - 99 1 Round your answer to two decimal places. Mean = Standard Deviation = Question Help: DVideo Check Answer e here to search F2 F3 F4 F5 F6 F7 F8 FS #3 2$ & * 3 4. 7 8. CO 团

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Participa Pulse (bpm) nt Before After 1 83 82 72 90 3 80 90 4 68 74 5 78 82 6. 76 86 7 89 85 77 79 9 77 79 10 84 79 11 95 94 12 89 85 Perform a t-test (signiticance level a - 0.05) to test your null hypothesis and compare Pulse before consume coffee and pulse after consume coffee en