What test of significance would you use for this case of bivariate or multivariate analysis? Assume that each variable is measured at its most detailed possible level of measurement. Meaning, for instance, that age is always ratio (0, 1, 2, 3, 4, 5, infinite), not ordinal (i.e., age categories). Number of employees by companies' industry or business O T-test O Chi-square O ANOVA O Regression

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A: From the provided information, Mean (µ) = 12 Standard deviation (σ) = 2 X~N (12, 2)

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A: It is given that  Sample mean, = 5 Sample standard deviation, s = 1.3 Sample size, n = 45

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A: Given The data is as follows: Sample size, n=30 Average no. of steps per day were recorded during…

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A: It is given that  Mean, μ = 65 Standard deviation, σ = 3 Note: According to Bartleby expert…

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A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: n=310 and ˆpp^ (p-hat) =0.47, find the margin of error at a 99% confidence level Give your answer to…

A: given data, p^=0.47n=310CI =310CI=0.99α=1-0.99=0.01

Q: 6. Jeff draws balls from the same jar. He draws three balls, this time with replacement. Find the…

A: It is given that 2 red balls, 4 blue balls and 2 yellow balls.

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A: Given information: S.no Recovery Age  Sex 1 4 50.52 1 2 4 53.16 0 3 25 67.47 1 4 7 55.56…

Q: A data set includes data from student evaluations of courses. The summary statistics are n = 96, x=…

A: given data n = 96x¯ =3.95s = 0.52α = 0.10claim : μ =4

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A: Here we have given the variance covariance matrix. Using given matrix we have to find thw…

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A:

Q: Decide whether the normal sampling distribution can be used. If it can be​ used, test the claim…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: Given,n1=190  ,  p^1=0.20n2=90  ,  p^2=0.45

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A: As we can see  the observations are not paired

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A: Please find the explanation below. Thank you.

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A:

Q: explain spss model

A: Introduction Pearson's r ranges from -1 to +1 where -1 shows a perfect -ve relationship, 0 shows no…

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A: We have given 10 principal components as given in the table. Loadings of each principal component…

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A: given data sampple size (n) = 16sample mean ( x¯ ) =42sample standard deviation (s) = 7claim : μ<…

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A: The correct  option  is b. Data reduction.

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A: Suppose p is the true proportion of vacant housing units in the U.S.

Q: Linear Regression and Correlation. x y 1 -11.02 2 -10.04 3 -8.86 4 -11.58 5 -2.8 6 -7.72 7…

A: Note: As per the Bartelby guidelines only one question can be answered.  Kindly resubmit the…

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A: The given total number of students is 30.

Q: In a regression model where your explanatory variable is raised to various powers (i.e., y = a + B₁x…

A: The objective is to define the appropriate nature of the regression model, in which the explanatory…

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Q: a) Find the conditional density of X given Y = y. b) Find E(ex|Y).

A:

Q: There are 39 observations representing the 39 Peruvians in the dataset and 10 variables. Principal…

A: Here rule is to choose that eigen values which are at least as large as 1. Here first three eigen…

Q: logit (Â(Y = 1)) : What is the value of  ? -1.131 + ß* Finasteride

A: Given Information: Sample size n=55 Prostate cancer was found in 804 of 4368 men taking Finasteride…

Q: Valid Valid Elementary High School College Total Female Male Total Frequency 32 35 33 100 Frequency…

A: The above SPSS tables are explained below:

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A: Given: x¯1 = 22 x¯2 = 37n1 = 64 n2 = 59s1 = 3 s2 = 5  To estimate confidence interval of difference…

Q: The table below gives beverage preferences for random samples of teens and adults.   Teens…

A: Solution-:  Hypothesis: H0: Two attribute type of age (i.e., adult and teen) (A) and drink…

Q: what does the scatterplot suggest?

A:

Q: Based on the MANOVA output, what is the value of the F test statistic associated with…

A: In the given study, there are three dependent variables-Yield, Water and Herbicide. There are four…

Q: A new type of corn seed has been developed and a team of agronomists wanted to determine whether…

A: Solution: The MANOVA output is given.

Q: groups exists difference

A: From the above calculations, we conclude that Mean difference is less than CD for group control and…

Q: with a mean of 75 and a standard deviation of a. What is the median score on the exam? b. Is it…

A:

Q: 1. The length of life of an instrument produced by a machine has a normal distribution with a mean…

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

Q: Each period, demand for apples is normally distributed with a mean of 280 and standard deviation…

A: From the given information, For each period, Mean=280 Standard deviation=65

Q: Based on the data shown below, calculate the regression line (each value to two decimal places) y =…

A: From the provided information, The table is as follow: x y 2 7.52 3 8.03 4 11.04 5 15.55…

Q: Isn't the n too small for a normal approximation? Should the test statistic follow the…

A: In this question, given that the sample size is n= 12 and the probability is p= 1/2  So X~…

Q: The normal monthly rainfall in a city is given in the following table. Month Inches Jan. 0.7 Feb.…

A: Solution-: We want to find  (a) Mean and standard deviation of the monthly rainfall in the city. (b)…

Q: If two variables are associated, does that mean they are necessarily causally related and What info…

A: Introduction Statistics is a field which involves collection, arrangement and analysis of the data…

Q: A teacher would like to determine if quiz scores improve after completion of a worksheet. The…

A: In hypothesis testing, there are two hypotheses - null and alternative. Using the sample values, we…

Q: You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.…

A: The sample size for the first population is 16, sample mean is 57.1 and sample standard deviation is…

Q: In general, if the variance of the difference scores decreases, what will happen to the value of the…

A: Solution-: In general, if the variance of the difference scores decreases, what will happen to the…

Q: Ho:μ1=μ2Ho:μ1=μ2       Ha:μ1≠μ2Ha:μ1≠μ2 You believe both populations are normally distributed, but…

A:

Q: The following is data for the first and second Quiz scores for 8 students in a class. First Quiz…

A: Given that: First Quiz Second Quiz 15 12 20 18 22 23 25 25 32 26 34 31 45 36 49…

Q: Listed below are the heights (cm) of winning presidential candidates and their main opponents from…

A: The data shows the heights of winning presidential candidates and their main opponents.

Q: The focus of a human eye is measured in diopters. For a given person, the focus is modelled by a…

A: Given that  Level of significance =0.05

Q: Willerman et al. (1991) collected a sample of 40 right-handed Anglo introductory psychology students…

A: Given information: Participant  Brain Size Wechsler IQ 1 110 112 2 90 82 3 100 110 4 92…