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. How much of a margin of error does the health psychologist's study have?

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A: The given data is as follows:Population mean, Sample size, Sample mean, Sample standard deviation,

Q: A health psychologist is interested in the potential effect that a change in career focus can have…

A: Let the systolic blood pressure be denoted by X. Given: X~N142, 132 sample size (n) used: 23 sample…

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A: According to the given information, we have Mean = 188 mg/dL Standard deviation = 24 mg/dL

Q: A health psychologist is interested in the potential effect that a change in career focus can have…

A: We hvae to find  point estimate for the mean systolic blood pressure for divorce lawyers who switch…

Q: Peter analyzed a set of data with explanatory and response variables x and y . He concluded the mean…

A: Slope: The following is the formula for slope coefficient                                   b=r·sysx…

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A: No, Given statement is FALSE

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A: Given that, μ=98,σ=14 The percentage of homes will have a monthly utility bill of more than $84 is

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Q: A group of university students is exploring the connection between study hours and academic…

A: Let x be the independent variable and represent the study hours of a group of university…

Q: health psychologist is interested in the potential effect that a change in career focus can have on…

A:

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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A: (1) Standardized z-score:   The standardized z-score represents the number of standard deviations…

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A: (1)Here, the claim of the test is that the mean factor V levels are different post-sterilization.The…

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A: Given

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A: Given : Systolic blood pressure has a normal distribution with a mean of 112 mm Hg and standard…

Q: Suppose a new drug is intended to improve walking distance in patients with Parkinson’s Disease. A…

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Q: Marian found that the average height of female students in her psychology class was 63 inches with a…

A: According to the provided data,

Q: You may need to use the appropriate technology to answer this question. Data were collected on the…

A: Given,

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A: Formula  Used: Mean X = ∑FX∑F Standard deviation = ∑FX2-nX2∑F-1

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A: 1) Null Hypothesis(H0): μ is equal to 80     Alternate Hypothesis(H1) : μ is not equal to 80

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A:

Q: A successful basketball player has a height of 6 feet 3 ​inches, or 191 cm. Based on statistics from…

A: Given,a basketball player has a height of 6 feet 3 inchesand the Z-score =2.31

Q: A successful basketball player has a height of 6 feet 4 ​inches, or 193 cm. Based on statistics from…

A:

Q: Select any of the following scenarios where data should be collected through an observational study…

A: The four scenarios where data are collected.The data collection is either through an observational…

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.