60% of students entering four-year colleges receive a degree within six years. Is this percent smaller thanfor students who play intramural sports? 130 of the 241 students who played intramural sports received adegree within six years. What can be concluded at the level of significance of a = 0.01?a. For this study, we should use Select an answerb. The null and alternative hypotheses would be:Ho:1?vНо:7Select an answer v(please enter a decimal)H1:1?v|Selectan answer v(Please enter a decimal)c. The test statistic ?(please show your answer to 3 decimal places.)d. The p-value(Please show your answer to 4 decimal places.)e. The p-value is ? vaf. Based on this, we should Select an answer v the null hypothesis.g. Thus, the final conclusiion is that ..The data suggest the population proportion is not significantly smaller than 60% at a = 0.01,so there is not sufficient evidence to conclude that the population proportion of students whoplayed intramural sports who received a degree within six years is smaller than 60%.The data suggest the populaton proportion is significantly smaller than 60% at a = 0.01, sothere is sufficient evidence to conclude that the population proportion of students who playedIntramural sports who received a degree within six years is smaller than 60%%3DThe data suggest the population proportion is not significantly smaller than 60% at a = 0.01,so there is sufficient evidence to conclude that the population proportion of students whoplayed intramural sports who received a degree within six years is equal to 60%.h. Interpret the p-value in the context of the study.If the population proportion of students who played intramural sports who received a degreewithin six years is 60% and if another 241 students who played intramural sports are surveyedthen there would be a 2.74 chance fewer than 54% of the 241 students surveyed received adegree within six year5.E7°E Clouudy

a. For this study, we should use one sample proportion z test. b. The null and alternative…

Answered: 60% of students entering four-year…

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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Twenty years ago, 53% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 327 of 900 parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. Do parents feel differently today than they did twenty years ago? Use the a = 0.01 level of significance. Because npo (1-Po) =O > 10, the sample size is less than 5% of the population size, and the sample can be reasonably assumed to be random, the requirements for testing the hypothesis satisfied. are (Round to one decimal place as needed.)
Suppose we measure GPA for people in our class, we find the mean is 2.8 and the median is 3.2. What can you say is most likely true about GPAs in our class?
A local doctors office recorded the wait times for 70 patients on a saturday afternoon and organized he times in the histogram below a. what percent of people waited more than 15 minutes? b. what percent of people waited less than 20 minutes? c. what percent of people waited less than 5 minutes given they waited less than 20 minutes?
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A researcher gathered a sample of participants who volunteered for a studying of phobias. She measured anxiety level of participants as they viewed photos of spiders and again when they viewed puppies. Which statistical test is appropriate for this study and why?
For effective learning, an instructor advised his students to practice solving statistical problems on StatCrunch, a web-based software, at least 7 hours per week. In an in class activity, a student surveyed 15 of her 35 classmates to assess the number of hours they spend per week practicing statistics on StatCrunch. The following data was collected: 6.5, 4, 3.5, 0, 12, 5, 12, 15, 12, 0, 1, 8, 0.5, 2, 7. Is there strong evidence that the mean number of hours of StatCrunch usage in the entire class is larger than 7? Let the confidence level be 95% Find the mean Standard deviation T / z score Find the critical score Draw the normal curve with critical tscore and test statistic. Make a conclusion
A Verizon researcher compared the number of text messages sent by a sample of teenage boys to the population mean for all Verizon users. She found no evidence to conclude that there was a difference. Unfortunately, her conclusion was in error. (a) What type of error did she make? (b) What conclusion should she have reached?
The 2012 National Survey on Drug Use and Health estimated that 25% of canadians agd 12 or over reported binge drinking in the past month. Find the odds of binge drinking
GSS 2018 respondents were asked to rate their level of agreement to the statement, “Differences in income in America are too large.” Responses were measured on a 5-point scale: 1 = strongly agree, 2 = agree, 3 = neutral, 4 = disagree, and 5 = strongly disagree. Strong Democrats had an average score of 1.69 (s = 1.04, N = 86) while strong Republicans had an average score of 2.11 (s = 1.05, N = 67). The estimated standard error of the difference between meansis 0.17. What is the appropriate test statistic? Why? Test the null hypothesis with a one-tailed test (strong Democrats are more likely to agree with the statement than strong Republicans); α = .05. What do you conclude about the difference in attitudes for these two political groups? If you conducted a two-tailed test with α = .05, would your decision have been different?
A mean score of 136 is ____ SD below the mean for the smaller organization, and ____ SD below the mean for the larger organization
Refer to the data presented in Exercise 2.86. Note that there were 50% more accidents in the 25 to less than 30 age group than in the 20 to less than 25 age group. Does this suggest that the older group of drivers in this city is more accident- prone than the younger group? What other explanation might account for the difference in accident rates?
Twenty years ago, 52% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 281 of 800 parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. Do parents feel differently today than they did twenty years ago? Use the a=0.1 level of significance. *** Because npo (1-Po) = 199.7 less than 5% of the population size, and the sample can be reasonably assumed to be random, the 10, the sample size is requirements for testing the hypothesis are satisfied. (Round to one decimal place as needed.) D What are the null and alternative hypotheses? Ho versus H₁ (Type integers or decimals. Do not round.) Help me solve this View an example Clear all Check answer Type here to search O 1:12 PM 6/18/2022 3 1 7 Q 2 @ 7 S E C $ 4 R 06 5 T S B 6 Get more help - 18 H & N 8 M hp K a O a P 12 (?) prt sc 94°F Mostly…

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