A population has a bell-shaped distribution with a mean of 90 and a standard deviation of 8. Which one of the following measurements from the population best represents the 16th percentile of the distribution? O 74 98 O Z = -1 OZ = -2 O 82

Q: Identify the data value corresponding to the indicated percentile. The heights of women are normally…

A: According to the provided information,

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Obtain the 2th percentile of the distribution. The 2thpercentile of the distribution is obtained…

Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

A:

Q: The body temperatures of adults are normally distributed with a mean of 98.6° F and a standard…

A: Percentile:The percentile is the proportion of data lying below a certain value. For example, 56…

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A: It is given that readings on the thermometers is normally distributed with mean 0 and a standard…

Q: a. the range b. the variance c. the standard deviation

A: The given frequency distribution is Class interval Frequency (f) Mid value (x) fx fx2 7-9 2 8…

Q: ind the range, the standard deviation, and the variance for the given samples. Round noninteger…

A: The given sample observations are:74, 70, 79, 81, 89, 72, 66, 78, 77, 73, 95 The objective is to…

Q: onsider this data set { 9, 3, 8, 8, 9, 8, 9, 18}. Find the standard deviation, s. Round off your…

A: given data, 9,3,8,8,9,8,9,18we have to find out the standard deviation(s) for the given data. x…

Q: Which of the following is the best estimate of the standard deviation of the distribution in the…

A: The tip of the normal curve represents the mean So, Mean = 97 Now, Given values, μ-σ=88μ+σ=106

Q: Systolic blood pressure readings are normally distributed with a mean of 121 and a standard…

A:

Q: H=34, o=4.5, the score is 2.5 standard deviations above the mean

A: Suppose the variable of interest is x.The mean is and the standard deviation is .

Q: A population has a mean u= 71 and a standard deviation a= 27. Find the mean and standard deviation…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A: Calculation: Let X denote the temperature reading of a randomly selected thermometer. The…

Q: Find the standard score and the percentile for a data value 0.6 standard deviations above the mean.…

A: As per the question we have In standard normal distribution Mean µ = 0 Standard deviation σ = 1 0.6…

Q: What symbol is used for the standard deviation of a population? O a. X-bar O b.H O C. S O d. o

A: Standard deviation: The positive square root of the mean square of the deviations taken from the…

Q: Johnson Electronics makes calculators. Consumer satisfaction is one of the top priorities of the…

A: It is given that n =10 and p =0.05.

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: The mean is 0 and the standard deviation is 1.

Q: A population has a mean u= 88 and a standard deviation o = 18. Find the mean and standard deviation…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: The body temperatures of adults are normally distributed with a mean of 98.6° F and a standard…

A: Given  Population mean μ=98.6, standard deviations σ=0.27, P(X<a)=0.95 Find a

Q: If a student scored 77 points on a test where the mean score was 84.5 and the standard deviation was…

A: Solution: Let X be the score of a student. From the given information, X has a mean µ=84.5 and a…

Q: A population has a mean u=79 and a standard deviation o = 12. Find the mean and standard deviation…

A: Mean = 79 Standard deviation = 12 Sample size, n = 36

Q: Juan makes a measurement in a chemistry laboratory and records the result in his lab report. The…

A: The standard deviation of students lab measurements is 8. Juan repeats the measurement 2 times. That…

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A:

Q: A population has a mean u = 90 and a standard deviation o = 30. Find the mean and standard deviation…

A: We have given that the population has a mean 90 and  a standard deviation 30.

Q: The accompanying frequency distribution represents the square footage of a random sample of 500…

A: Square Footage Frequency Midvalues (xi) fixi 0 - 499 5 249.5 1247.5 500 - 999 17 749.5 12741.5…

Q: A population has a mean u=87 and a standard deviation o= 28. Find the mean and standard deviat…

A:

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Given that,The bone density test scores are normally distributed.The mean  is 0.The standard…

Q: A survey collected the data below. x 26 4 16 12 20 The mean is 15.6. Calculate the deviation of…

A: Given data,  X : 26, 4, 16, 12, 20 Given mean is 15.6 To find the deviation of x = 16

Q: A population has a mean μ = 70 and a standard deviation o=36. Find the mean and standard deviation…

A: Mean=70 Standard deviations=36 Sample size =81

Q: Students in a class took a test whose results were normally distributed.  The mean score was an 81…

A: Students in a class took a test whose results were normally distributed.  The mean score was 81 and…

Q: A population has a mean u =78 and a standard deviation o = 24. Find the mean and standard deviation…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

Q: A population has a mean u= 72 and a standard deviation o = 24. Find the mean and standard deviation…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…