1. What is the null hypothesis?2. What is the alternativehypothesis?3. What is X2 value?4. What is the decision (use a = 0.05)?5. Interpret the data CustomersWatch PreferenceAgeUnder 30DigitalDigitalDigital1Under 30Under 304Above 30DigitalAbove 30Undecided6Above 30Undecided7Under 30UndecidedDigitalDigital8Under 30Above 3010Above 30DigitalAbove 30AnalogAnalogAnalogDigitalDigital1112Under 3013Above 3014Under 3015Above 3016Under 30Digital17Under 30UndecidedUnder 30AnalogAnalog1819Above 3020Above 30Digital21Above 30Analog22Above 30Analog23Under 30AnalogAnalog24Above 3025Under 30Undecided26Above 30UndecidedAnalogAnalog27Above 3028Above 3029Above 30Undecided30Under 30Undecided

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Answered: What is the null hypothesis? 2. What is…

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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sve til 02 org bac 1-In a survey, 2700 internet users chose to respond to this question posted on a newspaper's electronic edition: Is news online as satisfying as print and TV news? 50% of the respondents said yes. Determine whether the study is an observational or Identify the sample and the population. Is the value 50 % a statistic or a parameter? experimental study.
Finis An education researcher is comparing 4 different algebra curricula. 8 students are randomly assigned to each one of the 4 groups. Their state achievement test scores are compared at the end of the year and the following ANOVA table is obtained. Source of Sum of Mean D.f Fo Fo.os variation square square Between 2.5 Within 10 Total a) Complete the above ANOVA table. b) At a-0.05. test the claim that the curricula differ with respect to math achievements.
Pre (out of 100) Final (out of 200) Individual 63 130 1 Individual 80 137 2 Individual 56 139 3 Individual 17 116 4 Individual 54 153 Sample Мean 54 135 STD DEV 23.0759615 13.5092561
Solve the problem. 9) The table shows the number of households burglarized in a sample of households with dogs and in a sample of households without dogs. Assume that you plan to use a significance level of a = 0.01 to test the claim that p1 < p2. Find the critical value(s) for this hypothesis test. Do the data support the claim that a smaller proportion of households with pet dogs are burglarized? 9) Household with Dog Household without Dog Number of households in sample Number of households burglarized 206 140 20 11 A) z = -2.575; no B) z = -2.33; no C) z = 2.33; yes D) z = -1.96; yes
Q-4)Show all the steps for the problem.
2
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6- Hi Wonderful Bartleby Team (Thanks for all the help I do really aprecciate all you guys do) I need help with this exercise from stats. Thanks in advance
(1 point) According to a recent marketing campaign, 100 drinkers of either Diet Coke or Diet Pepsi participated in a blind taste test to see which of the drinks was their favorite. In one Pepsi television commercial, an anouncer states that "in recent blind taste tests, more than one half of the surveyed preferred Diet Pepsi over Diet Coke." Suppose that out of those 100, 42 preferred Diet Pepsi. Test the hypothesis, using a = 0.05 that more than half of all participants will select Diet Pepsi in a blind taste test by giving the following: (a) the test statistic (b) the critical z score
Solve second one
Suzette does an experiment where she collects date from 5 women snd obtains the scores: 4, 4, 5, 2, 5. She hypothesizes that the population mean for the population from which these scores are drawn is 3. She wants to test whether this hypothesis is true. What is the alternative hypothesis she is testing?
Q30

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What is the null hypothesis? 2. What is the alternative hypothesis? 3. What is X2 value? 4. What is the decision (use a = 0.05)? 5. Interpret the data