9. Thirty percent of the students at a high school participate in sports. A sample of students is to besclected in order to survey them about their time spent on extracurricular activitics. Which of thefollowing sample sizes is the smallest that satisfics the large count condition to approximate thesampling distribution of P with a normal distribution25a.35b.d 552345

For the given statement Select the correct choice

Answered: 9. Thirty percent of the students at a…

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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For the data set given, what is the standard error of the sampling distribution of mean difference scores for n=4. a. .91 b. 2.25 c. 3.33 d. .52
In the population of students at Milpitas High School, the proportion who are in the marching band is 0.10. In a random sample of 100 students from this population, the proportion who are in the marching band is 0.04. We would call the value 0.04 a A. statistic. B. parameter. C. z-score. D. P-value. E. significance level.
For the sample scores in the frequency distribution table below, the median is 1 4 4. 1 1 1 3.
The average house has 14 paintings on its walls. Is the mean larger for houses owned by teachers? The data show the results of a survey of 14 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal. 15, 13, 16, 16, 17, 14, 14, 15, 13, 13, 15, 16, 15, 16 What can be concluded at the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: ? Select an answer v H: ?v Select an answer v c. The test statistic ? v = (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 ? va f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest that the population mean number of paintings that are in teachers' houses is not significantly more than 14 at a = 0.01, so there is insufficient evidence to conclude that…
What is one indication that there are paired samples in a data set? Choose the correct answer below. O A. Knowing the value that a subject has in one group gives one no information about the value in the second group. OB. Each observation in one group is coupled with one particular observation in the other group. OC. The researcher is comparing two populations. O D. The researcher is working with two distinct groups in the data set.
The following set of data is from a sample of n = 7. 8 7 4 9 1 7 13 O a. Compute the mean, median, and mode. b. Compute the range, variance, standard deviation, and coefficient of variation. c. Compute the Z scores. Are there any outliers? d. Describe the shape of the data set. a. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The mean is (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed) O B. There is no solution. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The median is. (Type an integer or a decimal. Do not round. Use a comma to separate answers needed) O B. There is no solution. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. Click to select your answer(s).
could you please answer with paper and pen?
Q6. Select the best response. The sampling distribution of the mean will be approximately Normaleven when the population is not exactly Normal as long as the sample is: A. medium B. large C. small
A population has a normal distribution. A sample size of n is selected from this popuiation. Descriee theshape of the sampling distribution Of the sampre mean for eaen of the foliaung cars. a.73D23 b.n=450
5. Assume that 11% of a particular city population is left handed and that the number of left handers is 350,000. What is the population of the city?
Suppose the true population proportion is p = 0.5. The figure below shows the distribution of the sample proportion (p) values for 3 different sample sizes, n = 20, n=100 and n=500. 0.2 0.4 0.6 0.8 0.2 0.4 0.6 0.8 0.2 0.4 0.6 0.8

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