We often have a choice of whether to record a given variable on either a quantitative (continuous) or a categorical scale. How does one measure age quantitatively? Provide an example by which age can be measured categorically.

Q: Use normal approximation to estimate the probability of getting less than 46 girls in 100 births.…

A: Answer:- Given that boys and girls are equally likely.  So, Probability of girl births, p = 0.5…

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A: X 0 1 2 3 4 P(X) 0.09 0.19 0.37 0.23 0.12

Q: 7.87 Dr. Mihaela Sabou wants to estimate the average length of a hospital stay (number of days) for…

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A: Mean=44 Standard deviations=6.6

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A: Sales(Y) 195 216 232 300 158 228 183 298 180 198 200 307 ∑y=A  We have to find value of A

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A: we need to find the value of A. B and C in thee given table of X and Y.

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Q: PRACTICE! A population consists of five values: 2, 3, 4, 5, and 6. A sample of size 2 is to be taken…

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A: The Y intercept b0=35.48 The point of intersection of three lines A, B, C at x=52 are 52,106.78 (52,…

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Q: atistics practitioner took a random sample of 49 observations from a population whose standard…

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A: Let the random variable is the cost per month. No. of states (n) = 51 To create the freq. dist. and…

Q: The career services director of Hobart University (HU) has said that 70% of the school's seniors…

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Q: Use normal approximation to estimate the probability of getting more than 54 girls in 100 births.…

A: n=100 p=0.5    ( there are two possibilities boy or girl and p=probability of selecting a girl)…

Q: Analyzing historical data, you found that the probability that a person clicks on the online ad of…

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Q: Office-chair racing is now an official sport in Japan. Teams of 3 race around a 200-meter circuit…

A: Brand A Brand B 116 114 107 102 101 100 97 94 94 90 here  n=5

Q: Fill out the table below: 1 2 3 4 5 I TH 7 10 3 1 10 y 18 > Next Question 19 17 15 10 126 190 51 zy…

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Q: Find a 90% interval estimate of the mean daily time spent on rigorous exercise by all employees.

A: From a random sample of 25 employees, the mean time spent on vigorous daily exercise was 28.5…

Q: The mean and standard deviation of a set of 11 observations of time are 8 seconds and 2.5 seconds…

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Q: Pages were randomly selected from The Bear and the Dragon by Tom Clancy, Harry Potter and the…

A: The given data set is, Clancy Rowling Tolstoy 58.2 85.3 69.4 73.4 84.3 64.2 73.1 79.5 71.4…

Q: ​When using the Scheffé post hoc test for a repeated-measures ANOVA, the denominator for the F ratio…

A: ​When using the Scheffé post hoc test for a repeated-measures ANOVA, the denominator for the F ratio…

Q: . Geno and Smith collaborated in a Math256 Midterm recently and both received 90 out of a possible…

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Q: Suppose you are using data on two non-negative variables Y and X to calculate Cov(Y, X). After…

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Q: The weights in grams of a sample of 24 walnuts are shown. If the mean is 19 grams, and the standard…

A: n=24 Mean=19 Standard deviation=2.45

Q: CONDITIONAL AND MARGINAL PROBABILITY - Statistics and probability 1) A study of the behavior of a…

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Q: t will decrease by a factor of 2. will increase by a factor of √/2. will decrease by a factor of √2.…

A: Provided information is ; Let , X be the net weight Population mean(μ)  = 5.95 Population standard…

Q: A medical study is conducted to determine which migraine treatment, A or B, provides faster relief.…

A: The differences are: -9, -5, -6, -6, -7, -4, -2, -6, -5, -10.

Q: A man claims to have extrasensory perception (ESP). As a test, a fair coin is flipped 2727 times,…

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Q: The mean of a set of 13 numbers is 16. If a number is removed from the dataset, the resulting mean…

A: The mean of set 13 numbers is 16

Q: Consider a linear birth–death process where the individual birth rate is λ=1, the individual death…

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Q: Advertising expenses are a significant component of the cost of goods sold. Listed below is a…

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