Happiness 1 Happiness 2 Happiness  3 22 38 42 31 40 50 20 32 43 23 33 37 (hint: Σ(MSubjects - GM)2 = 162.74, Σ(MHappiness - GM)2 = 735.50, Σ(X - GM)2 = 936.25) find MS iv: MS subjects: MS error:

Q: Number 14 parts d and e.

A: From the given Histogram, let us consider the following frequency table,

Q: Exercise 4.7 Consider n observations for which y = a + bxi, b>0, holds. Show that = 1

A: Given that there are n observations. yi=a+bxi

Q: The following data represents the age of 30 lott 23 32 35 36 38 38 41 52 55 57 58 61 09 68 61 61 61…

A: The frequency distribution is the number of times the values of the class have occurred in the data…

Q: For the data set (-1,-2), (1, 2), (4, 6), (7, 6), (12, 10), carry out the hypothesis test Ho B1 0 H…

A: Given question is :

Q: 6. The data in the table provided represent 13 randomly selected cases of seismic activity…

A: The data is given as below x y 60 4.1 77.5 4 50.7 2.6 65.6 2.8 48.2 0.9 63.5 2.2…

Q: All varieties of a certain brand of cookies are $3.50. A person buys peanut butter cookies and…

A: Note- Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: Which type of t-test is best for the following variables:(a) Test scores of Section A51 at start of…

A: Answer: Given variables are, a) Test scores of section A51 at start of semester b) Test scores of…

Q: A local teacher wants to see if teaching writing in different ways impacts student learning. She has…

A: Given info: A local teacher wants to see if teaching writing in different ways impacts student…

Q: Above is a regression of men's monthly earnings in dollars as a function of their years of…

A: We are given the output of a multiple regression model. Regression of men's monthly earnings in…

Q: An auto manufacturing company wishes to investigate how the price of one of its car models…

A: As per our guidelines we have to solve 3 sub parts  if a question have more than three sub parts. so…

Q: A university cafeteria sells sandwiches, salads and snacks all day. The manager is looking at the…

A: Given, Classification of visitors on the basis of preference of food choice available in a school…

Q: The data show the population (in thousands) for a recent year of a sample of cities in South…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The data show the number of hours of television watched per day by a sample of 28 people. Use…

A: Given data, 5,4,2,9,3,0,0,3,8,1,8,6,0,9,4,3,0,8,2,0,5,7,0,9,6,4,7,9   Sort the given data in…

Q: Google Calendar - Week of Bh Announcements-SPRING 2 A Chapter Eight - MTH 24 x prose rhythm is…

A: (a) You have correctly written the level of significance, as it is given as α = 0.01. Denote p as…

Q: 24-13. Comment on the following statements : (i) The correlation coefficient ry .between X and Y is…

A:

Q: Give the rejection region. z greater than 1.8 O t greater than 1.8 z greater than 0.77 O t greater…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: A statistician was getting his car serviced at a dealership. He wondered if the average service cost…

A: Given,n1=110 , x¯w=240 , sw=20n2=120  , x¯m=180 , sm=100α=0.05

Q: The mean amount of milk produced weekly by 12 random samples with 20 dairy cows in each sample are…

A: given: sample size n=12 and sample values  64.5, 62.7. 63.5. 65.0. 64.1. 62.7. 62.4, 63.5, 60.7,…

Q: Q6 (a) Table Q6(a) presents male athlete running records for the 100 m events of athletes between…

A:

Q: 1. Netflix sent out a survey to a random sample of their customers. The following table contains…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Random variables X and Y have the following joint PMF PxY (2, 3) = { do+3), 2 = -1,1; y=1,2…

A:

Q: ΣΧ=56; ΣΥ=49; ΣΧΥ=452; ΣΧΛ2=560; EY^2=397; N=7,Calculate the correlation coefficient.(Round off to…

A:

Q: Using a related samples t test approach, at a = .05 two tailed, complete the questions below: What…

A: Given that Sample size n = 10 Sample mean difference = 8.4 SSD = 1004 Level of significance = 0.05

Q: Probability Theory Раge(5/5 From the following data. out in Calculate: 4 8 10 15 5 11 7 9. 12 18 20…

A:

Q: Exercise 4.7 Consider n observations for which yi = a + bxi, b > 0), holds. Show that r = 1.

A: Given that there are n observations. yi=a+bxi

Q: Q4: In an experiment on a new drug for allergy, a sample of ten patients was selected and each given…

A: Since we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the question and…

Q: The first test a doctor would order to determine whether a person is infected with HIV (the virus…

A: Given information: P(positive| infected with HIV)=97.7%=0.977 P(negative| not infected with…

Q: eh following was collected (4,64) (7,81) (2,50) (9,94) and (4,63). What is teh regression equztion?…

A: Slope and Intercepts are two regression coefficients. Regression explains the relationship between…

Q: Which type of t-test is best for the following variables:(a) Test scores of Section A51 at start of…

A: Paired Samples t-test:- This paired t-test is used when the data is paired i.e. two variables are…

Q: The number of text messages sent by different students during a single class period are shown below.…

A: We have to see the given data, and count the number of data points in each range,  So, by counting…

Q: Which type of t-test is best for the following variables:(a) Test scores of Section A51 at start of…

A: The paired t test is also defined as dependent- t test. It is used to test the mean difference…

Q: A nursing school professor is interested in determining how her college students compare to the…

A: According to our guidelines we can solve only one problem.

Q: Determining significance of the correlation coefficient. Step 1: State the hypotheses. Ho: p = 0;…

A: The provided information is as follows:The data set is given as  No. Of ProductionAttendance…

Q: Correlation coefficient Exercise 4.7 Consider n observations for which yi = a + bxi, b>0, holds.…

A: