5. The following hypotheses are given:Ho: Forty percent of the observations are in category A, 40 percent are in B, and 20 percent are inHa: The observations are not as described in Ho.We took a sample of 60, with the following resultsCategory foA 30B 20C 10What is your decision regarding Ho?

The data shows the three categories. The given hypothesis is, Null hypothesisH0: Forty percent of…

Answered: 5. The following hypotheses are given:…

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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7. Is there a relationship between gender and the type of car driven? A random sample of 1000 adults was obtained. The subjects sampled were asked their gender and what type of car they drive given choices: car, truck, or SUV. Of the females sampled, 210 drive a car, 110 drive a truck, and 180 drive a SUV. Of the males sampled, 175 drive a car, 140 drive a truck, and 185 drive a SUV. At the 5% significance level what conclusion can be reached? Would your decision change at the 2.5% significance level? prk oubu buogncs br bolk A 102 4 c hto
Ho H. CV ents 1. HA is the distribution of sample means according to the alternative hypothesis. Shade in the area that corresponds to a Type I error. On the diagram above, Ho is the distribution of sample means according to the null hypothesis, and
A statistics student claims that fewer than 10% of all females at CUNE have ever ridden a motorcycle. He asks 15 females in his statistics class and finds that only one has ever ridden a motorcycle. Can he use this data to test this claim? Why or why not? A. No, np 0 less than 5 B. No, the data come in matched pairs. C. Yes, we are comparing 2 proportions. D. Yes, the sample is random
Please answer B, C, & D.
19. Given the information below, what kind of samples are being described? Sample 1: Resting heart rates of 35 individuals before drinking coffee. Sample 2: Resting heart rates of the same individuals after drinking coffee. A. Dependent samples B. Unknown samples C. Independent samples D. One sample . Given the information below, what kind of samples are being described? Sample 1: Test scores for 35 statistics students. Sample 2: Test scores for 42 biology students who do not study statistics. A. Dependent samples B. Unknown samples C. Independent samples D. One sample fuom the given helow.
Find A. Hypothesis and identify claim B. Compute test value C. Find p value D. Make decision E. Summarize results
2. We ask whether people will score higher or lower on a questionnaire of their well-being when they are exposed to sunshine compared to when they're not exposed to sunshine. A sample of 8 people is first measured after low levels of sunshine exposure and then again after high levels of exposure. We get the following pairs of scores: Low: 14 13 17 15 18 17 14 16 High: 18 12 20 19 22 19 19 16 a. State the null and alternative hypotheses. b. Using an alpha = 0.05, what is t (crit)? c. Using SPSS, calculate t (obu) (Use paired/related sample t test to obtain this info) d. What should you conclude?
45. Which one of the following is not a common level of significance set in statistical analysis? a. 90% b. 50% c. 95% d. 99%
Given the following hypothesis ( null and alternative ), test statistic, and sample size, find the appropriate P- Value: A. H0: p= .3, p = .3 , Ha: p ≠ .3, n = 31, *z= -2.70 ( choose one ) a. .0035 b. .0060 c. .0070 d. .0120 B. H0: ? = .7, Ha: ? ≠ .7, n= 41, *t= -1.90 ( choose one ) a. .0287 b. .0320 c. .0574 d. .0640
Imagine a researcher asks a sample of five people to drive two types of cars and rate each of them on a scale of 1 to 25. The researcher wants to know: Is there is a difference in the ratings of the two types of cars. Below are the data collected: Type A: 20, 10, 11, 23, 7 Type B: 10, 11, 4, 12, 1 what type of T Test would be appropriate
These questions are together
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