263 206 185 246 188 191 308 262 198 253 646

Q: The scores on a standardized test are normally distributed with a mean of 95 and standard deviation…

A: Formula : Let , mean = μ and standard deviation = σ The test score below 'a' standard deviation of…

Q: Assume the mean height of soldiers to be 68.22 inches with a variance of 0.8 inches. How many…

A:

Q: The height of trees in a nursery is normally distributed with a mean of 56.4 inches and a standard…

A: The height of trees in a nursery is normally distributed with a mean of 56.4 inches and a standard…

Q: The mean of the data is 25.16 and it's coefficient of variation is 18.75 . Find the standard…

A: The coefficient of variance, COV = sx¯*100 s is the standard deviation x¯ is the sample mean To find…

Q: An article in a local town newspaper discusses the results of state test scores in their town. The…

A: Answer:-

Q: only part 4.

A: If the sample size increases from 8, then the standard deviation, σ decreases.

Q: You have a dataset with a mean of 50 and a standard deviation of 5. What is the coefficient of…

A: From the provided information, Mean (x̄) = 50 Standard deviation (s) = 5

Q: Assume the cholesterol levels of adult American women can be described by a Normal model with a mean…

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

Q: The number of pounds each member of a weight loss club lost in the first week was 1, 1, 2, 3, 0, 4,…

A: The two data sets shows the number of pounds each member of a weight loss club lost.

Q: Discuss the similarities and differences between a relative frequency histogram as a way to…

A: A relative frequency histogram is a way to represent the distribution of a sample by showing the…

Q: Approximately what percentage of normally distributed data will fall within 2 standard deviations…

A: Based on the Concept of Empirical Rule: About 68% of the area under the curve falls within 1…

Q: Consider the variable, type of birth control practiced (e.g., an IUD, condoms, none, etc). Which…

A:

Q: A set of elementary school student heights are normally distributed with a mean of 105 centimeters…

A: Solution: Let X be the height of student. From the given information, X follows normal distribution…

Q: The mean of a normal set of data is -5.4 and the standard Deviation is 22.5 sketch a normal curve…

A: We have to plot a Normal curve with the given data  , Mean = -5.4 standard deviation = 22.5.

Q: The scores on a standardized test are normally distributed with a mean of 85 and standard deviation…

A: If X be the scores. It is known- X~N85, 202 where, m: mean = 85 s: standard deviation = 20

Q: Factor V is a protein involved in the forming of blood clots. The higher the level of factor V, the…

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

Q: A sample of blood pressure measurements is taken from a data set and those values​ (mm Hg) are…

A: The values of systolic and diastolic measurements are given. Sample size = n = 10. Mean is the ratio…

Q: You are given that mean = 50, coefficient of variation = 40% and coefficient of skewness = – 0.4.…

A: Given, Mean = 50, Coefficient of Variation (CV) = 40% Coefficient of skewness = - 0.4.

Q: Compare and contrast the two samples measures of central tendency. Compare and contrast the two…

A: Following observations can be made on comparing the central tendencies of the two samples The mean…

Q: Give a brief example of an empirical distribution of data.

A: This question is about providing a brief example of an empirical distribution of data.

Q: How is standard deviation a measure of distance?

A: We know that the standard deviation is the measure of the dispersion of data which is based on…

Q: ACT scores at Ardrey Kell High School are Normally distributed with mean 26 and standard deviation…

A: Given: AKHS: Mean (M1) = 26 Standard deviation (σ1) = 3 Sample size (n1) = 25 PHS: Mean (M2) = 25…

Q: A doctor in the oncology department of a hospital surveyed the breathing rateof cancer patients. The…

A: We need to apply chebychev's theorem and Empirical rule.

Q: From a population of cans of coffee marked "12 ounces," a sample of 25 cans is selected and the…

A:

Q: In your work as a biomedical engineer, you need to better understand the distribution of adults'…

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

Q: In a normal distribution, what percentage of scores falls below and score of -2.33

A:

Q: High levels of cholesterol in the blood increase the risk of heart disease. For 14-year-ole boys,…

A: given data,normal distribution μ=170σ=30 we have to find out the given probabilities

Q: The incomes of math tutors in a tutoring center of a university are normally distributed with a mean…

A: Given,mean(μ)=$1100standard deviation(σ)=$150

Q: korynn is calculating the variability in her data by measuring the average distance of scores from…

A: Given: korynn is calculating the variability in her data by measuring the average distance of scores…

Q: An analyst found that the average amount of money in bank accounts at his/her bank is $2,000 with a…

A:

Q: A recent survey of students at Regina Mundi College included a question about the number of school…

A:

Q: According to the Department of Education the mean number of hours college students spend studying…

A:

Q: he scores on a standardized test are normally distributed with a mean of 115 and standard deviation…

A: The scores on a standardized test are normally distributed with Mean = 115 Standard deviation = 20

Q: n an experiment the sorption was measured for a variety of hazardous organic chloroalkane solvents.…

A: Given data, 1.28, 1.35, 0.57, 1.16, 1.12, 0.91, 0.83, 0.43 n=8

Q: The scores on a standardized test are normally distributed with a mean of 85 and standard deviation…

A: Mean()=85standard deviation()=10

Q: the standard deviation or the interquartile range

A: answer of given question is in step 2

Q: there are 75 students in the class and 20 students are getting a+ grade in the class find the mean…

A:

Q: According to the Department of Education the mean number of hours college students spend studying…

A: Given, mean(μ)=28standard deviation(σ)=6 Let x=no.of hours of study