that a cellular phone company kiosk sells X number of new phone contracts per day is shown below.   X 1 5 8 10 13 P(X) 0.4 0.3 0.1 0.15 0.05   Find the variance for this probability distribution. Only the final

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A: Given Mean=69 Standard deviations=2.5

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A: X¯=191σ=88n=58μ=153α=0.001 hypothesis: H0:μ=153Ha:μ>153

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A: Use EXCEL to construct the scatter plot EXCEL procedure: Go to EXCEL Go to Insert menu Select the…

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Q: Convert to degrees. 9.

A: Answer is 140 degree.

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Q: 4. Calculate the standard deviation. 5. Select and draw the most appropriate method (graph/chart) in…

A: Given the data as ID Age BLL Log10BLL 1 3 69 1.84 2 4 45 1.66 3 6 49 1.69 4 7 84 1.92 5…

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A: Solution-: Given: μ0=25,σ=6.9,x¯=22.8,n=36,α=0.05 We want to find, (a) Type of test: (b) Z…

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Q: 18. Find S.D from the following data. Also calculate coefficient of variance. X 21-25 26-30 31-35…

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Q: 3. (X1) : 4 9. (X2) : 3 4 4 7. (Y) : 4 4 3 Estimate the simple linear regression model Y= Bo + Bi…

A: Us the matrix method, we need to estimate  the simple  linear regression model for the given data.

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Q: What does the percentile ranking tell us? What percent of the data is below a given point. O What…

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Q: Is 1.41 the answer to question A or B?

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Q: A] Measurement error in the dependent variable leads to biased OLS estimates? a-Yes, always b No,…

A: Measurement error in the dependent variable leads to biased OLS estimates.

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Q: If MS,- 76, MS- 22, n- 10, df- 27, Y- 30, and a- 0.05, what is the confidence interval? 27.47SAS…

A: Given: MSBetween = 76MSwithin = 22n = 10df = 27X = 30α = 0.05

Q: Production records show that a machine that makes bottle caps makes caps with a mean diameter of…

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Q: Select all of the characteristics of a standard Normal distribution. unimodal bimodal left skewed…

A: Solution