The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 17, 23, 15, 21, 16, 20, 17, 14, 19 The range is (Simplify your answer.)

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Q: Ho: μ=85; Hα: μ*85. The sample mean is μ 88, the sample size is 20, and the sample standard…

A: Given,H0:μ=85Ha:μ≠85sample mean=88sample size=20sample standard deviation=8α=0.10

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A: HERE GIVEN , population standard deviation  = 6 ounces  confidence level = 98%  MOE  = 4

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Q: 10. Find the standard deviation. A. 2.15 B. 3.25 C. 4.32 D. 5.64

A: Given Data: Class Frequency 15-17 2 12-14 6 9-11 4 n  12

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A: Note: As per guidelines we are supposed to solve only 1 question at a time. Please repost the other…

Q: Scenario 1: The mean content of 25 bottles of brand S mango juice is 255 ml with a standard…

A: Given information: n=25mean of brand S mango juice, x =255s=9μ=260α=0.01

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A:

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A: Givensample size(n)=42Mean(x)=35.8standard deviation(s)=4α=0.10

Q: Suppose that, for events A and B, P(A)= 0.2, P(B)= 0.85, and P(AandB)= 0.17. (i)    Calculate the…

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Q: Ho: μ=85; Hα: µ#85. The sample mean is μ 88, the sample size is 20, and the sample standard…

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Q: TTEN AND COMPLETE. NO UPVOTE FOR TYPEWRITTEN. DO NOT ANSWER IF YOU ALREADY ANSWERED THIS OR G

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Q: Scenario 3It was reported that 54% of kids said that they had snack after school. A random sample of…

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Q: C.0.9625 D. 0.9633 A 0.0375 8.0.3075 4. Find the probability value of PIZ-1.0) A 15.87% C. 84.13% D.…

A: I used z- table to calculate the probabilities and z scores.

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

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Q: Scenario 3: On an examination given to students at a large number of different schools, the mean…

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Q: Scenario 3It was reported that 54% of kids said that they had snack after school. A random sample of…

A: Hypothesis :-                         Ho :- Population proportion equal to 0.54…

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A: Given: Sample size n = 15 Correlation coefficient r = 0.76 Significance level α = 5% = 0.05…

Q: Evaluation 1. Samples of size n were randomly selected from the population with means and variances…

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Q: Please would you now answer the rem

A: force  length  0 21 20 100 40 185 60 255 80 350

Q: Scenario 1: The mean content of 25 bottles of brand S mango juice is 255 ml with a standard…

A: Given Information: Sample size n=25 Sample mean x¯=255 Sample standard deviation s=9 Claim: On…

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A: Solution-: Given: α=0.05 We have following table:   A B C D Clear 27 41 21 7 Return 11 15 9…

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A: here given , mean  = $100 standard deviation =   $12  x= utility bill amount in $

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Q: Directions: Complete the table below by supplying the missing df and Confidence Coefficient. Use…

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Q: Scenario 4: A researcher wants to study about the relationship between a students' grade in…

A: Formula :