**Question****Does college major depend on gender?** Researchers ask a group of college students about their majors. They also group the students by their gender. The data are recorded in the contingency table below, and a chi-square Test of Independence at the 5% significance level is performed.| | Arts | Humanities | Sciences | Row Total ||---------------|------|------------|----------|-----------|| Men | 11 | 5 | 19 | 35 || Women | 11 | 22 | 9 | 42 || Column Total | 22 | 27 | 28 | 77 |(a) The null and alternative hypotheses are:- \( H_0 \): The two variables are independent, so gender does not affect college major.- \( H_a \): The two variables are dependent, so gender does affect college major.(b) Compute the test statistic, rounded to one decimal place. (Use expected frequencies that are also rounded to one decimal place.)Provide your answer below:**Test Statistic =** [Blank box for answer]**FEEDBACK** | **MORE INSTRUCTION** | **SUBMIT**

The question is about categorical data analysis.Given :Hypotheses :H0 : Gender does not affect the…

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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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The Question for this is: How do Best Rest customers feel about purchasing a mattress online? I guess I just need help figuring out how I would tackle this problem using this data set (this is not all the numbers in the set), should i use a hypothesis test or correlation test, etc.?
Hypothesis Testing: Means and Proportions According to a 2017 survey, 80% of Americans used at least one type of social media regularly in 2017. Rodrigo wants to know if this percentage has decreased since then, so he collects some data. He randomly samples 200 people and finds that 154 of them still use at least one type of social media currently. Test the claim that less than 80% of Americans currently use at least one type of social media regularly. Use the 0.05 significance level.
Perform the hypothesis test that there is a relationship between gender and major 4) at 5% level of significance using the information from the sample below. Math Major English Major Total Male 42 72 114 30 72 09 132 06 204 Female Total
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
Pls solve both questions with details explanation and no plagiarism , for good rating
Need C and D
need C and D please
Tne roilowing tapie contains tne scores rom a group or 1ɔ nign scnooi seniors on a psycnoiogicai assessment or positive arrect ror tne supject or matn ana tneir scores on the same assessment for the subject of chemistry. The assessment measures the strength of the student's positive feelings towards the subject on a 40-point scale, with 40 being the most positive. Positive Affect Assessment Score for Math Assessment, x Score for Chemistry Assessment, y 25 20 31 24 7 10 31 25 10 4 8 27 26 9 8 10 9 9 29 28 16 17 23 17 26 14 40 28 Copy Data Step 1 of 2: Calculate the sum of squared errors, SSE, based on a regression analysis of the assessment data. Round your answer to two decimal places, if necessary.
Does the type of instruction in a college statistics class (either lecture or self-paced) influence students’ performance, as measured by the number of quizzes successfully completed during the semester? Twelve students were recruited for the study. Students received the lecture instruction or a self-paced instruction. The total number of quizzes completed during teach type of instruction appear below.
People were asked their gender and if the preferred Coke or Pepsi. The results are summarized in the table below. Test the claim that gender and soda preference are independent. Please provide the critical value, test statistic and conclusion. Coke Pepsi Male 53 26 Female 58 29
Multiple Choice Question A study took a random sample of adults and asked them about their bedtime habits. The data showed that people who drank a cup of tea before bedtime were more likely to go to sleep earlier than those who didn't drink tea. What was the independent (explanatory variable) in this study? A. Whether or not the person drank tea B. When the person went to sleep C. The adults D. Bedtime habits

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