is2²+DIZA study was conducted to determine the proportion of people who dream in black and white instead of color. Among 323 people over the age of 55, 73 dream in black and white, and among 315people under the age of 25, 18 dream in black and white. Use a 0.01 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than theproportion for those under 25. Complete parts (a) through (c) below.a. Test the claim using a hypothesis test.Consider the first sample to be the sample of people over the age of 55 and the second sample to be the sample of people under the age of 25. What are the null and alternative hypotheses for thehypothesis test?@2OA. Ho: P₁ P₂H₁: P₁ P₂OD. Ho: P₁ P₂H₁: P₁ P₂Identify the test statistic.View an example2=(Round to two decimal places as needed.)spleF2WSXHcommand#3Get more help.80F3ED$4CaF4RLLF%5VXFSTGOB. Ho: P1 P₂H₁: P₁ P₂< 6OE. Ho: P1 SP₂H₁: P₁ P₂MacBook AirBGF6YH&7*F7UN* 00JDIIFB-M(9KDDF9OV -<其கOF. Ho: P₁ P₂H₁: P₁ P₂)-OC. Ho: P₁ P2H₁: P₁ P₂Lcommand4F10P>л.Clear all-....I4F11{option[+ 112.1?111Click answeranF12}1delete111

α=0.01 Sample size, n1=323 No. of people dream in black and white, x1=73 Sample size, n2=315 No. of…

Answered: A study was conducted to determine the…

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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Is it 0.18 or 0.36
A data collection method is described to investigate a difference in means. Determine which data analysis method is more appropriate: paired data difference in means or difference in means with two separate groups. In a study to determine whether the color red increases how attractive men find women, one group of men rate the attractiveness of a woman after seeing her picture on a red background and another group of men rate the same woman after seeing her picture on a white background. O Paired data difference in means O Difference in means with two separate groups 1
Does the attendance in nursery school relate to the thinking skills of a pupil? Assume that 12 pupils were randomly chosen from a Grade 1 class and were given a test on thinking skills.Given the scores below, are these two variables related? For attendance of nursery school, “1” means did attend and “0” did not attend. The data are given below.
A survey was conducted among the engineering students in a university. The survey is conducted to find the relationship between the test preparation time and their test achievement. The 50 respondents were asked 2 questions: a) How much time did you spend to prepare for the exam? and b) What is your test achievement? Based on the above statement, determine the type of statistics that is suitable for the study and briefly explain your answer.
The Student Union President conducted a survey to estimate the proportion of first year students who participated in the social activities organized by the Student Union. Which of the following surveying options does NOT affect the presidents ability to generalize the survey to all first year students. The president put the survey on the Student Union webpage a Monday and collected the responses at the end of the week. All of the other options present a problem for generalizing the results. The president polled all students coming out of the Student Union on a given Monday. The freshmen class consists of 3000 students. A random sample of only 300 were sent a survey. Only 150 responded. The survey was sent only to first year students enrolled in statistics courses because all students need to satisfy a statistics general education requirement.
8
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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.
a. Write the claim identifying H0 Ha B.find P value C. Decided whether to reject or fail d. Interpret the decision in the context
A categorical variable has three categories, with the frequencies of occurrence below. a. Compute the percentage of values in each category. b. What conclusions can you reach concerning the categories? Category Frequency A 9 B 26 C 15
ou are doing a problem where you have a negative z-score, and you have to look up the proportion of the shaded area in the tail beyond that z-score; in other words, you are shading to the left from your z-score, and looking for the proportion that you shaded. Four “proportions” are given below. Which one is the ONLY one that could potentially be the number you are looking for? (Hint: Think about what you know about proportions: What kind of number are they? And what things can they represent?) Group of answer choices p = 0.3800 p = -0.1500 p = 1.1500 p = 0.5635
.

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