What are the variables, what scale of measurement is each variable (nominal,ordinal,or continuous). Then state the null and alternative hypothesis in words. A high school physics teacher wondered if his students in the senior class this year will be more likelyPSY230 Millerto go into STEM (Science, Technology, Engineering, Mathematics) majors than Social Science andLiberal Arts majors. He asked each of his 50 students about their first choice for major on their collegeapplications and conducted a Chi-square test for goodness of fit with an alpha level of .05 to see if thenumber of students choosing each category differs significantly.20 - STEM20 - Social Sciences10- Liberal Arts●Spring A 2023● Q3) Chi-Square Test for IndependenceThis question is an extension from Q2 above. The high school teacher was also interested in whetherthere is a gender difference in terms of the student's choice of majors. So he broke the data down bygender in the following table and conducted a Chi-square test for independence with a = .05.Type of MajorSTEMSocial SciencesLiberal ArtsFemale8108Male1210DTotal202010a. What are the variables in this analysis? What scale of measurement is each variable (nominal, ordinal,or continuous)?

The high school teacher was interested in whether there is a gender difference in terms of the…

Answered: What are the variables, what scale of…

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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I need to the right answer for this please.
Read the following problem description then choose the correct null and alternative hypothesis. A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 1 in every one thousand.
Describe the difference between causation between two variables and a relationship between two variables.
State the empirical rule for variables.
Ms Best is a high school math teacher. Ms. Best has two sections of geometry. She teaches one section using a traditional approach. The second section Ms Best uses a tasked-based learning approach. The table below summarizes the descriptive statistics for the final exam. Ms Best concludes that the tasked-based learning approach students consistently scored higher than the traditional students. Is Ms Best conclusion correct? Why? Be very thorough in your response and use all the statistics reported and their interpretation to support your answer. Tasked-Based Traditional Learning Mean 73.1 Mean 83.5 Median 73.0 Median 82.0 Mode 73.0 Mode 83.0 Standard Standard 17.5 13.2 Deviation Deviation
Last year over 7000 students took an entrance exam at a certain state university. Kareem's score was at the 44th percentile. Lella's score was at the 93rd percentile. (a) Which of the following must be true about Kareem's and Leila's scores? Both Kareem and Leila scored higher than the median. O Both Kareem and Lella scored below than the median. O Leila scored higher than Kareem. O Kareem scored higher than Leila. (b) Which of the following must be true about Kareem's score? O About 44% of the students who took the exam scored lower than Kareem. O Kareem got about 44% of the questions correct. O Kareem's score was in the top half of all scores. O Kareem missed 56 questions. Explanation Check X 3 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center
Which of the following is not equivalent to the other three? Choose the correct answer below. O Dependent variable Independent variable 000 O Predictor variable O Explanatory variable
Answer only the requirement 2 and 3.
Elaine is interested in determining if men are more satisfied in their jobs than women in the healthcare industry. She administers a job satisfaction questionnaire to 20 men and 20 women working in hospital administration. Her grouping variable is gender and dependent variable is job satisfaction. The job satisfaction scale consists of 8 items measured using a 5-point rating scale. A higher score on this scale would indicate high job satisfaction. The maximum score that can be obtained on the scale is 40. We can assume that job satisfaction scores are normally distributed. Use the appropriate T test with a significance level of 0.05 to test the hypothesis. Research Question Do the mean job satisfaction scores differ for men and women working in the hospital administration department? Hypothesis The mean job satisfaction scores do not differ for men and women working in the hospital administration department. Compute an independent sample t test on these data. Report…

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