You measure salary and free time in a group of workers. You find that these variables are related, Pearson's r = -0.55. If you made a scatterplot of the data, what would it look like? a) b) !! Free Tee d) e) 8116 805 •: Chat 3 3

Q: Find the margin of error for the given of c, s and n C= 0.95, s= 560 and n= 45 Round to two…

A: Answer: From the given data, sample size(n) = 45 Standard deviation(s) = 560 Confidence interval =…

Q: Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho:…

A: The given values are n=500,x=370,α=0.05. The hypothesis is H0:p=0.75 versus H1:p≠0.75.

Q: Find the range for the given data set 34,65,78,94,32,16,36,54,48,83

A: 34,65,78,94,32,16,36,54,48,83

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A: According to the given information, we have Mean = 1000 Standard deviation = 200

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A: According to the given information, we have The probability distribution table is given.

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A: Basketball Baseball Soccer Football North 89 17 26 18 Central 73 37 30 31 South 67 22 24 24…

Q: Which of the following values cannot be probabilities? 1, 1.41, -0.53, √2, 0, 0.02, 5/3, 3/5

A: Here Given  values of probability  1, 1.41, -0.53,2 ,  , 0 0 .02, 5/3 , 3/5

Q: Use the computer output to estimate the intercept o and the slope B₁. Coefficients: Estimate…

A: The regression output is given as: Coefficients Estimate Std. Error t value Pr(>|t|)…

Q: Translate the statement into a confidence interval. Approximate the level of confidence. In a survey…

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Q: study was don e number of sick days they take each year. The results of the survey Vacation Days…

A: Comment: As per the our company guidelines we are supposed to answer only three subparts. Kindly…

Q: Use the computer output to estimate the intercept B and the slope B₁. The regression equation is Y =…

A: Predictor Coef SE Coef T P Constant 808.131 87.84 9.20 0.000 X -3.705 1.215 -3.05 0.006

Q: Which of the following statements is correct about the confounding variable? (select all that apply)…

A: This question is asking about the concept of a confounding variable and its implications in a study.…

Q: Find the margin of error for a​ 95% confidence interval for estimating the population mean when the…

A: It is given that: The desired level of surety is 95%. The sample standard deviation, s=90. The…

Q: A test of the null hypothesis Ho: μ = μo gives a test statistic of z = -1.37. What is the P-value if…

A: Z=-1.37

Q: d) how good is this fit?

A: The values are ∑x-x¯2=468,∑x-x¯y-y¯=720.

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A: 9) Answer:- Given, Sample size, n = 25  Sample mean = 69.72  Sample standard deviation, s = 4.15…

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A: Answer: From the given data, Probability of their invoices are paid while ten day (p)= 60% = 0.60…

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A: Sample size n =100 Favorable cases x =80 Sample proportion p^=x/n  =80/100 =0.80

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A: given  the weights of almonds are given Weights(kg): 36,53,78,67,92,77,59,66

Q: When a random variable X follows binomial distribution, the probability of success on one trian…

A: Answer: From the given data, number of trials is equal to = n = 125 The probability of success on…

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A: It is needed to test, whether X appears to be an effective predictor of the response variable Y.

Q: 5 A) for each business, what is the equation of the straight line that fits the data "best?" B)At…

A:

Q: MAT 143 11-3 Lab Answer the following questions: 1. Find the mean, medjan, mode and range for the…

A: 2, 10, 16, 220, 18, 14, 9 sample size(n)=7

Q: The director of student services at Oxnard College is interested in whether women are less likely to…

A: x1=368n1=368+265=633x2=482n2=482+264=746

Q: (3. Find the missing value in each row of the table. Round answers to the same number of decimal…

A: According to the given information, we have The distribution is normal distribution.

Q: a study of 880 homeowners in a certain area showed that the average value of the homes was $82,000,…

A: Answer: From the given data, Mean (μ) = 82000 Standard deviation(σ) = 5000 Sample size(n) = 50 X…

Q: 7. For the following state transition diagram. 1 0.4 0.5 0.2 4 0.3 0.6 0.8 0.2 (3) (a) Determine the…

A: Given the state transition diagram of the Markov chain as

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A: A random sample of candy stores is given below. 93 174 126 98 61 112 96 102 85 96

Q: In a recent survey of 100 users of a certain social media website, 29 said they thought website…

A: n = 100x = 29SEp^  = ?

Q: In a random sample of 100 audited estate tax returns, it was determined that the mean amount of…

A: sample size(n)=100 sample mean(x¯)=$3448 standard deviation(s)=$2520 degrees of freedom(df)=n-1…

Q: Use the results from a survey of a simple random sample of 1107 adults. Among the 1107 respondents,…

A: Hypothesis is an assumption that is being tested.

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A: The question is about hypo. testing Given : Popl. prop. of females aged 15 and older who lined alone…

Q: phone. He visited 15 stores at random and recorded the price of the particular phone he wants. The…

A: Given Sample mean =280.2 Sample standard deviation =22.92 Sample size=15

Q: Answer the questions with the data on picture, please.  a)  Determine the sample correlation…

A: x=16 ; sx=2 ; y=-6 ;sy=5 ;sxy=7 ; b1=-0.8;

Q: a. Approximately what percentage of bottles filled by the machine contain more than 491 mL and less…

A: 43. A machine is set to pour a mean of 497 mL of spring water in each bottle with a standard…

Q: A mutual fund has total assets of $40,000,000 and total liabilities of $3,000,000. There are…

A: Total assets (A) = $40000000  Total liabilities (L) = $3000000 Outstanding shares (N) = 1900000  We…

Q: The slope of the regression line, y = 21 − 5x, is 5.   Group of answer choices True False

A: We have given that y = 21 − 5x

Q: raised and spent (both in millions of dollars) by all congressional campaigns for 8 recent 2-year…

A: Using the estimated regression line, x y y^ (y-y^)2 466.2 436.7 462.6798 674.9500 669.8 678.3…

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Q: ind the sample mean for the given data set, 25,64,38,76,48

A: Answer: From the given data, 25,64,38,76,48 Sample size(n) = 5

Q: When a random variable X follows binomial distribution, the probability of success on one trian is…

A: binomial distribution n = 120 p = 0.6 Variance of x = ?

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