6. What is the Z score for any mean? What is the z score for any standard deviation?

Q: the mean is 146, and standard deviation  is 35. A percentage of female students with scores between…

A: Introduction: For a normally distributed random variable, X with mean μ, and standard deviation σ,…

Q: what percent of values fall between 5.25 and 8.75 if the mean =9 and standard deviation =2.36

A: Answer: From the given data, Mean (μ) = 9 Standard deviation (σ) = 2.36 X follows normal…

Q: 2. What is the z-score of x if x = 2 and the median = 4, the mean = 5 and the standard deviation =…

A: Given Mean μ = 5median = 4Standard deviation σ = 2

Q: 6. Jared has a mean of 74 on his quizzes, with a standard deviation of 7. On his most recent quiz,…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: statistics professor reported that the mean score in a recent quiz is 72 and the standard deviation…

A: Solution

Q: I don't understand how I find the z-score, without a table, the mean, or the standard deviation.

A: Solution: We are given the blow graph;

Q: scores are normally distributed with mean 500 and standard deviation 100. Julie scores 650. Her…

A: Consider X be the random variable representing the SAT scores. X follows normal distribution with…

Q: Psychological and educational tests, including MMPI are often designed so they have a mean of 50 and…

A: Given that  They have a mean of 50 and a standard deviation of 10.

Q: What does Chebyshev’s rule say about the percentage of observations that lie within one standard…

A: Chebyshev’s rule tells about the percentage data points or observations that must lie within the…

Q: Hogie lizards have tail lengths that are normally distributed with a mean of 22.5 cm and a standard…

A:

Q: List a z score value that is three standard deviations away from the mean.

A:

Q: Show your work to find the value that is 1.5 standard deviations: a. above the mean. b. below the…

A: From the obtained results, the mean is 9.02 and the standard deviation is 5.7910.

Q: On Bob's last history test, he had a score of 92.  Bob's z-score was -0.5, and the test's standard…

A: Solution -Given that Score in History test be X=92 Z- Score=-0.50 Standard deviation= 6 Find mean…

Q: What is the mean and standard deviation?

A:

Q: A population has mean 27 and standard deviation 12 . What is the data value that has a z-score of -2…

A: Given data, Mean=27 sd=12 z=-2 x=?

Q: Aliyah scored at the 45th percentile on the Stanford Achievement Test (mean= 500, standard deviation…

A:

Q: Assume a new measure of Intelligence Quotient (or IQ) has been developed. The mean IQ for the…

A: The standard deviation is defined how much deviation from the mean is called standard deviation.

Q: For a social club, the members had a mean age of 68 and a standard deviation of 10 years.  What is…

A: The mean is 68 and the standard deviation is 10.

Q: The table below gives the percent of children under five considered to be underweight. Percent of…

A: Given data is percent of underweighted children Number of countries 16-21.45 22 21.45-26.9 4…

Q: what percent of values fall between 5.25 and 8.75 if the mean =8 and standard deviation =1.89

A: Mean=8 Standard deviations=1.89

Q: What x-values correspond to the middle 40% of a population (20% on each side of the mean) with a…

A: Given that,  μ=21.4,σ=2.3 The x-values correspond to the middle 40% of a population are,

Q: what percent of values fall between 5.25 and 8.75 if the mean =7 and standard deviation =1.75

A: Mean=7 Standard deviations=1.75

Q: What percentage of computer programmer major received a starting offer between $32000 and $38000?…

A: The following information has been provided: \mu = 39269, \text{ } \sigma = 2550Mean : μ=39269,…

Q: The MF exam has a population mean of 500 and a standard deviation of 200. What are the scores for…

A: Let X=MF exam scores We have given information, The population mean μ=500 And population standard…

Q: 14) Find the score that separates the top 80% from the bottom 20% if the Mean is 100 and the…

A: Given information Mean (µ) = 100 Standard deviation (σ) = 26 The score that separates the top 80%…

Q: what percent of values fall between 5.25 and 8.75 if the mean =5 and standard deviation =1.86

A: Answer: From the given data, Mean (μ) = 5 Standard deviation (σ) = 1.86 X follows normal…

Q: PROVIDE TYPED ANSWER  What is the mean age among men? What is the standard deviation (SD) of age…

A: A table with demographics, disease traits, BMI for all men and women are given.Also,Level of…

Q: Scores on a college entrance exam are normally distributed with a mean of 500 and a standard…

A: Solution: Let X be the score on college entrance exam has normal distribution with mean μ=500 and…

Q: 9. Determine whether it is usual or unusual Determine whether the score 33 is usual or unusual when…

A: We find the z score of 33

Q: The distribution for the time a patient of a medical center spends waiting for an appointment is…

A: Solution: Let X be the time a patient of a medical center spends waiting for an appointment. From…

Q: Refer to the accompanying table, which describes results from groups of 8 births from 8 different…

A:

Q: In a study of 400 people, the mean age is 50 years and the standard deviation of age is 10 years.…

A:

Q: Home prices in a city have mean = $194,000 and standard deviation = $20,000. For n = 25 randomly…

A: population mean ()=194000standard deviation()=20000sample size(n)=25Mean()=198000

Q: A z-score of +1.6 represents a value which is how many standard deviations above the mean?

A:

Q: The 68-95-99.7 Rule for the Normal Distribution 99.7% 0.5 95% 68% 0.4 0.3 0.2 - 0.1 - 0.0 -3 -2 -1 2…

A: a) 68%  empirical rule is known that the 1 standard deviation. The formula for the 1 standard…