Use the following data to perform a regression analysis. What is the regression equation? Is it significant? How can you tell? What is the forecast for month 13? Month Sales 1 132 2 131 3 134 4 140 5 141 6 142 7 144 8 143 9 146 10 145 11 148 12 148

Q: Find the 34th percentile, P34, from the following data 1 3 7 11 12 20 26 28 37 40 41 43 46 47 51 52…

A: Formula used for 34th percentile.  P34=(34(n+1)/100)th

Q: Consider the monthly earning of a small business. Table 3 1077 1070 1070 100

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: population of the world in 1987 was 5 billion and the annual growth rate was estimated at 2 percent…

A: Given that  Population ( 1987) = 5 billion Increasing rate = 2 %  To find the population of 1991 by…

Q: 16% of all Americans live in poverty. If 43 Americans are randomly selected, find the probability…

A:

Q: i) By using Figure 8, the predicted values for life satisfaction for different countries may be…

A: The scatter plot is a visual representation of relationship between two scale variables.

Q: 14. Employees at Jamba Juice have different ages. Assuming a Normal Distribution with a mean age of…

A:

Q: he St. Lucian Government is interested in predicting the number of weekly riders on the public buses…

A: Given   The St. Lucian Government is interested in predicting the number of weekly riders on the…

Q: Critique each of the following proposed research plans. Explain any problems with the proposed…

A: A researcher wants to determine whether a leading global university is guilty of racial bias in…

Q: 11. Using the infomation provided, calculate an effect size using Cohen's d for a single-sample t…

A: From the given data Find cohen`s d = ?

Q: (c) What is the most that Han Solo would be willing to pay as a bribe? That is, what is the largest…

A: We are given that Han Solo needs to pass 2 checkpoints and the probability that his cargo will not…

Q: Determine the point estimate of the population mean and margin of error for the confidence interval.…

A: We have given the lower bound 19 Upper bound is 23

Q: Problem 2 Two random processes are defined by X (t) = Asin(@t +0) Y(t) = B sin(@t+0) where 0 is a…

A:

Q: From the following observations, relating to the number of seeds germinated out of 10 seeds on damp…

A:

Q: Use the same data set from problem #1. Test whether or not H:B = 0 using an F-test with a = .05.…

A: Given Information: Consider the given data: x y 4 16 1 5 2 12 3 17 3 13 4 22

Q: Need help on 4 and 5

A: 5) The objective is to describe the scatterplot by describing the correlation and the strength of…

Q: Illustratioa 9,28. Comment on the performance of the students University Course of % of No.of…

A:

Q: Which of the following are correct statements for linear regression? 1. If the scatter plot of the…

A: Given information: The statements for linear regression are given.

Q: Q2. (a) Define Arithmetic mean, Weighted arithmetic mean. Write some properties of arithmetic mean.

A: Here, we need to define arithmetic mean, weighted arithmetic mean and some properties of arithmetic…

Q: The heights of adult men in America are normally distributed, with a mean of 69.6 inches and a…

A: GivenHeights of adult men in Amrica are normally distributed withMean(μ)=69.6 inchesstandard…

Q: *Q(4.) * A store opens at 8 a.m. From 8 until 10, customers arrive at a Poisson rate of 10 an hour.…

A:

Q: An experiment was performed to attempt to answer the question of interest posed in Question 12. In…

A: Formula: x¯split-x¯individual±tn1+n2-2,αsp21n1+1n2Here,sp2=n1-1ssplit2+n2-1sindividual2n1+n2-2…

Q: Question 5: Но: H1: Follow the examples shown in Clear-Sighted Statistics. You must use the…

A: Given Information: Hypothesized value of population mean μ=69 Population standard deviation σ=8…

Q: The Environmental Protection Agency (EPA) has determined that safe drinking water should contain at…

A: Each hypothesis test has two type of erros. They are type 1 and type 2 error. Type 1 error explains…

Q: speec are given in the table below: Find 1. Arithmetic mean 2. Standard deviation 3. Skew…

A:

Q: An article in the newspaper claims that 60% of registered drivers have the organ donor designation…

A: This question is based on hypothesis testing. Specifically, this question was asked to verify the…

Q: 1) Using the data from the American Community Survey (IPUMS), the Pew Research Center reported that…

A:

Q: Payment Method Cash Check Credit Card Debit Card Food Stamps Observed Frequency 119 107 71…

A: It is needed to test, whether all of the payment methods are equally distributed.

Q: *Q(4.) * A store opens at 8 a.m. From 8 until 10, customers arrive at a Poisson rate of 10 an hour.…

A:

Q: (a) Which method had the highest mean recall in the sample? Which had the lowest? (b) What is the…

A: Draw method has highest mean  And write method has lowest mean in the sample

Q: Once a year employees at a company are given the opportunity to join one of three pension plans, A,…

A: Given - There are three pension plans. A, B and C                9% of the employees elect to join…

Q: p(a)= 0.7 p(b)=0.2 and A and B are mutually exclusive, find p(A and B)

A: Given that  p(A)=0.7 , p(B)=0.2

Q: 4) (4 points) Recent data from the US Census indicates that the mean age of college students is u =…

A:

Q: The 2017 Chapman University Survey of American Fears asked a random sample of 1207 American adults…

A:

Q: re in favor of a new Green initiative ere in favor of the initiative. Round a fidence the proportion…

A: a) Given, sample size (n) = 556 x = 354 sample proportion (p^) = x/n = 354/556 = 0.6367 significance…

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: 5. Calculate D. Probability of female respondents and not liking shopping for clothes E.…

A:

Q: Q/ In the vehicle speed test, the results are given in the table below: Find 1. Arithmetic mean 2.…

A:

Q: What is the purpose of statistics in our lives?

A: purpose of statistics in our lives

Q: A. The table below shows the probability distribution of a discrete random variable B. в 1 3 4 5…

A: A

Q: Suppose that your​ 95% confidence interval for p is​ (0.68, 0.74). Based on the confidence interval…

A: Given that  95% confidence interval for p is (0.68, 0.74) Null and alternative hypothesis  H0: p=0.8…

Q: D. Using a 0.01 level of significance, test the hypothesis that there is no significant linear…

A: For the given data find

Q: State the total degrees of freedom for the following t-tests: n = 22 for a one-sample t-test df1 =…

A: Here we have to find the total degrees of freedom for the following t-tests

Q: For each of the following studies: (a) identify the sample size(s), (b) state if we have a…

A: The t-test statistic uses the t-sampling distribution with specific degrees of freedom.

Q: 2. A psychologist estimates the I.Q of 28 students. The values are as follows: 103, 86, 94, 97, 100,…

A:

Q: There are 48 people quarantined in a hotel waiting for a test because of the COVID-19. They need to…

A: In Simple random sampling technique, each observation has equal chance of being selected in the…

Q: . A weighted voting system for voters A, B, C, D and E is given by {36:30, 12, 9, 5, 3} . The weight…

A: Given information: Weight of voter A=30 Weight of voter B=12 Weight of voter C= 9 Weight of voter…

Q: The following results are from data that were collected from the various high schools around the…

A: H0: AVERAGE CLASS SIZE, SPENDING PER STUDENT, AND AVERAGE TEACHER SALARY are not significant. H1:…

Q: Yield Fetilizer Water 201 100 1000 325 200 1000 124 300 1000 129 400 1000 344 500 1000 193 100 2000…

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

Q: Dataset The stock returns are in Ringgit Malaysia (RM) YEAR Y 1998 302 246 170 1999 297 258 175 2000…

A: Solution-: For company X Data:…

Q: + Which plot(s) show(s) a main effect of condition but not an interaction of A researcher has…

A: When the lines of the factors are parallel to the x axis then there is no main effect. When the…