A health psychologist is interested in the potential effect that a change in career focus can have on cardiovascular disease for those in high stress jobs. She chooses to study divorce lawyers (a population that averages a mean systolic blood pressure of 142 with a standard deviation of 13) and measures the blood pressure of 23 former divorce lawyers who switched to environmental law. Those 23 lawyers have a mean systolic blood pressure of 131.  What is your point estimate for the mean systolic blood pressure for divorce lawyers who switc

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A:

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A:

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A: Note: According to Bartleby, expert solve only one question and rest can be reposted.

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A: The Normal distribution is also called as the Gaussian distribution. It is the most common…

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A: We want to Z-score

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A:

Q: A biologist found the wingspan of a group of monarch butterflies to be normally distributed, with a…

A: A biologist found the wingspan of a group of monarch butterflies to be normally distributed, with a…

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A: Given information about the population: μ=215 mg/dLσ=30 mg/dL   Given information about the sample:…

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A: From the provided information, Mean (µ) = 120.1 mmHg Standard deviation (σ) = 15.1 mmHg X~N (120.1,…

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A: If an adult male is told that his height is within 2 standard deviations of the mean.

Q: On a final examination in Biology, the mean was 75 and the standard deviation was 12. What is the…

A: Given problem Given that   On a final examination in Biology,  The mean was = μ = 75 The standard…

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A:

Q: A statistics professor announces that 15% of the grades he gives are As. The results of the final…

A: It is given that the mean and standard deviation are 83 and 6, respectively.

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A: We have to calculate effect size for testing of single mean.

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A: It is an important part of statistics. It is widely used.

Q: The Virginia Cooperative Extension reports that the mean weight of yearling Angus steers is 1152…

A: Here mean = 1152 and SD = 84. z=(x-mean)/SD = (x-1152)/84

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A: Given, E(X)=60 SD(X)=12   After 10 Point curve Let Y be new variable.

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A: 1] Standard deviation for the first portfolio=0.55 2] Standard deviation for the second…

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A:

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Q: If a variable has a mean of 53, a median of 62, and a standard deviation of 4, What is its skewness?

A: The formula to find skewness is given below:

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Q: Recently, a random sample of 25–34 year olds was​ asked, "How much do you currently have in​…

A: Class Interval Frequency(f) Midpoint (x) f.x fx2 0-199 342 (0+199)/2= 99.5 34029 3385885.5…

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A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

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A:

Q: The scores on a psychology exam were normally distributed with a mean of 59 and a standard…

A: Mean = 59 Standard deviation = 10 The formula for z is: z=x-μσ

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Q: If the coefficient of variation for a data is given as  35%, and the standard deviation for the same…

A: Given that Coefficient of variation, C.V =  35% And the standard deviation is SD = 32

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Q: A statistics professor announces that 15% of the grades he gives are As.  The results of the final…

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Q: Suppose a class average on a test is 75 and the standard deviation is 10. if joe scores 80 on the…

A:

Q: If the mean of a set score is 65 and the standard deviation is 15, what is the zscore of a person…

A: The z-score of a random variable x is defined as follows: z = (x – µ)/σ. Here, µ and σ are the mean…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.