Data on the departments that 8th grade students studying in two different branches of a primary school would like to choose in high school are presented. a: Construct Ho and Ha. b: Calculate and interpret the chi-square value. Department Math Physics Chemistry A 21 46 17 B 42 26 21

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A: Givenµ = 20 σ = 2

Q: C = {(X₁, X₂):7.5 < X₁X₂}. Find the power function K(0) = P((X₁, X₂) € C) for testing Ho against Hy…

A:

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A: Find P85 =?

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A: Assuming the significance level is p=0.95

Q: Learning Competency: compute for the test-statistic value (population mean). QUESTION CLAIM EVIDENCE…

A: The provided information is  x¯=390σ2=4900n=100Ho:µ=375Ha:µ≠375α=0.05The z test statisitcs is z=2.14…

Q: Which of the following ideas is false when calculating the estimate?

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A: Given data: Median M1 = 20.83 Median M2 = 17.35 a = x3 x = 3a b = y2 y = 2b

Q: 7. mean = 60; standard deviation = 6

A: It is given that: μ mean=60 and σ standard deviation=6.

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A: Given : Base fee=$17.95 78 cents for each mile that is (78/100)$ Total amount paid=$118.57

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Q: It has been found that 27.6% of men (Group 1) 20 years and older suffer from hypertension (high…

A: Solution:- from given information sample size n1=169 n2=169 x1=39 x2=54 α=0.05 claim: A higher…

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Q: what is the only plausible value of correlation r based on the following scatterplot 1 0.9 0.8 0.7

A: The scatterplot represents the relationship bet. variable X and variable Y.

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Q: Try these! A. Complete the Lower Bour the table below and answe 1. What is the value of De? 2. What…

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A: Given: Significance level α = 0.05 For option-1: Sample size n1 = 250 Sample mean X1 = 17.6 Sample…

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Q: What is the Sample Skewness for the following numbers: mean of 101.67 , median of 95, and standard…

A: It is given that  Mean = 101.67 Median = 95 Standard deviation = 55.89

Q: 6.3 3) Suppose that some researchers analyzed the relationship between fathers' and sons' IQ scores…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: Answer #20: (mode of given #5) Direction: Complete the table below by finding the mean, median and…

A: Mean, median and mode are called the measures of central tendency. Mean is the average value. Median…

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Q: Answer #13: (median of given #3) Direction: Complete the table below by finding the mean, median and…

A: The question is about to find median Given data : # 3. 31,33,39,36,33

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A: We need to identify the type and level of measurement of the variables given.

Q: The following data set are grades of students enrolled in Math 111. Dr. Glen, the professor for Math…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.D5=?…

Q: Suppose IQ scores were obtained for 20 randomly selected sets of siblings. The 20 pairs of…

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A: It is given that sample size (n) is 200 and x is 80.

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A: The given data is x y 72 62 69 42 58 19 47 26 84 51 62 15 55 39 50 15

Q: a. Construct a scatter plot diagram. tb b. Describe the association or correlation between the…

A: The provided information is  x y xy x2 y2 6 60 360 36 3600 11 79 869 121 6241 20 90 1800…

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Q: The following table represents the number of lectures on engineering statistics for the second…

A: Solution: From the given information,

Q: 7. What are the values of u and o in the standard normal distribution?

A: (7) We have given that,  What are the values of  μ =? σ = ?, from the standard normal distribution.…

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A: Solution: It is needed to derive the formulas for the variance of the MLE estimators of the simple…

Q: Find the score for which 70% of the distribution's are a lies to the right?

A: P ( Z&gt;z ) =0.70 Find z = ?