A researcher observes the weight of a class of 36 students in high school. The given table shows the data she collected (in 71 70 68 75 70 71 68 72 72 69 67 67 67 74 72 68 71 74 65 71 70 71 71 72 75 77 66 70 73 73 69 67 71 71 72 71 The researcher wants to test whether the mean weight of all high school students in the state (u) would be 70 kg or not. So, the null and the alternative hypotheses for the test the researcher wants to conduct are: O A. The researcher's null hypothesis is Ho: =70 and the alternative hypothesis is HA H270. OB. The researcher's null hypothesis is Ho: 270 and the alternative hypothesis is H u570. O C. The researcher's null hypothesis is Ho: 270 and the alternative hypothesis is HAu#70. D. The researcher's null hypothesis is Ho: u = 70 and the alternative hypothesis is H: u# 70. For a prespecified 5% significance level, the p-value of the test the researcher wants to conduct is (Round your answer to four decimal places.) v the null hvnothesis The calculated n-value suggests that we will Click to select your answer(s). re to search

A researcher observes the weight of a class of 36 students in high school. The given table shows the data she collected (in 71 70 68 75 70 71 68 72 72 69 67 67 67 74 72 68 71 74 65 71 70 71 71 72 75 77 66 70 73 73 69 67 71 71 72 71 The researcher wants to test whether the mean weight of all high school students in the state (u) would be 70 kg or not. So, the null and the alternative hypotheses for the test the researcher wants to conduct are: O A. The researcher's null hypothesis is Ho: =70 and the alternative hypothesis is HA H270. OB. The researcher's null hypothesis is Ho: 270 and the alternative hypothesis is H u570. O C. The researcher's null hypothesis is Ho: 270 and the alternative hypothesis is HAu#70. D. The researcher's null hypothesis is Ho: u = 70 and the alternative hypothesis is H: u# 70. For a prespecified 5% significance level, the p-value of the test the researcher wants to conduct is (Round your answer to four decimal places.) v the null hvnothesis The calculated n-value suggests that we will Click to select your answer(s). re to search

Name: 736771717271The researcher wants to test whether the mean weight of a
Uploaded: 2024-03-20T07:06:16.000Z
Channel: Bartleby
Description: 736771717271The researcher wants to test whether the mean weight of all high school students in the state (u) would be 70 kg onSo, the null and the alternative hypotheses for the test the researcher wants to conduct are:O A. The researcher's null hy

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

As practiced by many in buying skirts or pants, they use the neckline to check if the waistline of the skirts or pants fits them. We would like to study this claim by using a random sample of neckline and waistline of 15 people. The data collected are summarized in the table. Subject 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Neckline (in cm) 33 30 40 35 42 39 35 37 39 39 44 44 42 32 41 Waistline (in cm) 83 68 71 78 96 92 67 76 84 83 96 98 101 73 77 Construct a scatter plot for the waistline and neckline using the data presented in the table. (There is no need to upload this scatter plot.) What does the scatter plot tell you about the possible relationship between neckline and waistline? (choose the letter of the correct answer) a. Neckline and waistline seem to have positive linear relationship.b. Neckline and waistline seem to have negative linear relationship.c. Neckline and waistline seem to have a relationship but is nonlinear.d. Neckline and waistline seem to exhibit no…
Are the strengths of Alloy A more consistent than Alloy B?
Suppose a group is interested in determining whether teenagers obtain their drivers license at approximately the same average age across the country. Five teenagers from each region of the country were randomly selected. The data collected is their age at which the teenagers obtained their drivers licenses and is summarized in the table below. Test the hypothesis that the five regions produce the same mean average for a teenage driver’s license. Northeast South West Central East 16.3 16.9 16.4 16.2 17.1 16.1 16.5 16.5 16.6 17.2 16.4 16.4 16.6 16.5 16.6 16.5 16.2 16.1 16.4 16.8 (a)What are the hypotheses? (b)What is the F – Statistic? (c) What is the p – value? (d) What can you conclude about the null hypothesis? (e) What can you conclude about the population means?
The heights (in centimeters) of some randomly selected Men's World Cup soccer players from both Europe and the U.S. are given below. Europe 169 170 171 175 175 175 178 180 181 182 184 185 185 187 189 United States 167 168 169 173 176 176 178 180 180 181 183 183 186 187 187 Is there a difference between the heights of European and American soccer players? What is the test statistic for this test? 0.7399 0.3352 0.3700 0.6648 0.2601
Given the data below, compute the Mean, Median, Mode, Variance, and Standard Deviation. for: Ungrouped Data 63 54 31 14 20 69 4 30 42 18 1000万744107 75 49 45 60 44 72 23 34 66 58 8 42 89 24 4 55 70 88 71 93 5 28 12 45 83 93 40 94 43 41 34 41 93 81 55 68 9 37 1 76 53 79 41 55 35 8 Upload your solution and answer in an excel file.
As practiced by many in buying skirts or pants, they use the neckline to check if the waistline of the skirts or pants fits them. We would like to study this claim by using a random sample of neckline and waistline of 15 people. The data collected are summarized as follows: Subject 1 2 3 4 5 6 7 8 9 10 11 12 14 15 13 Neckline 35 34 38 45 38 33 38 42 44 33 35 31 33 35 30 (cm) Waistline(cm) 83 97 100 86 82 77 82 91 62 93 57 67 93 57 3-4. The regression equation is: Waistline' = - 3.9964 2.30321 neckline 5. Using the regression equation/model for waistline in Number 3-4, estimate the waistline if the neckline of a person is 37 cm. Round off final answer to two decimal places. 6-8. Solve for the coefficient of determination, r2 (Express the answer in percentage form, r2 x 100%; Round off final answers to two decimal places): E(y/ – 9)² = E(y – 9)² = 9. Solve for the coefficient of nondetermination (Express the answer in percentage form; Round off final answer to two decimal places):
A boxplot of some data is as follows. 20 40 60 50 100 120 Using this boxplot, answer the following questions. What is the lower quartile? What is the upper quartile? Choose... Choose... Is the boxplot left-skew, symmetric or right-skew? Choose...
A random sample of 12 students showed the following time (in hours) of sleep 4.5 5 5.5 6 6 7 7.5 7.5 8 9 5 7 What is the best point estimate of the population mean?
12. The age of random sample of 40 people who attended a show at the fox. Theater are given below. Find the first, second, and third Quartile 20 26 31 34 39 45 50 62 20 29 31 35 40 47 51 63 23 30 32 35 40 49 51 66 23 30 33 37 40 49 54 69 26 30 34 38 42 49 57 72
Consider the following observed weights (in kilograms) of a randomsample of 20 learners and use it to estimate the true value of theaverage weight of learners enrolled in the class. 40 45 46 48 48 50 55 55 56 5858 59 60 60 62 62 64 64 65 66 1. Compute the mean.2. Interpret the result.