In a survey of women in a certain country (ages 20 - 29), the mean height was 62.9 inches with a standard deviation of 2.93 inches. Answer the following questions about the specified normal distribution. (a) What height represents the 95th percentile? (b) What height represents the first quartile? Click to view page 1 of the table. Click to view page 2 of the table, (a) The height that represents the 95th percentile is (Round to two decimal places as needed.) inches.

Q: Consider the following 10 exam scores: 28, 57, 58, 64, 69, 74, 79, 80, 83, and 85 Find the…

A: According to the provided information, the exam score is as follows: 28, 57, 58, 64, 69, 74, 79, 80,…

Q: On the Bar Chart in Figure C1 above, which of the datasets (left, middle or right) has the highest…

A: Bar chart is given here. Error bars gives the information about how the data is spread around the…

Q: The mean value of land and buildings per acre from a sample of farms is $1500, with a standard…

A: The mean is 1500 and the standard deviation is 300.

Q: Find the mean and standard deviation of the following sample taken from a larger data set of lengths…

A: Given data, x 12 Inches 40 Centimeters 1.5 feet 15 inches 35 centimeters 1.25 feet…

Q: Calculate the mean, standard deviation, and variance for the following five scores: 9, 4, 7, 1, 4.

A: Considering the scores as population. The population mean is, μ=∑XN=9+4+7+1+45=255=5 Thus, the…

Q: Calculate the mean, standard deviation, and variance for the following five scores: 9,4,7,1,4.

A:

Q: The average McDonald's restaurant generates $2.3 million in sales each year with a standard…

A: Here, population standard deviation is known, so we can perform a z-test .

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance​…

A: Solution Age Number (f) Midpoint (x) f*x x2 f*x2 25-34 27.3 29.5 805.35 870.25 23757.825…

Q: Compute the mean, median, Variance, and the standard deviation for the data below: 3,2 ,3, 4, 3…

A:

Q: The average hours of sleep on a weeknight was 6.9 hours with a standard deviation of 1.5 hours. What…

A: Introduction: Denote the random variable, Denote X as the number of hours of sleep on a weeknight.…

Q: Given the population data: 3, 6, -1, -9, -11.5, -19, 24, 100, 241, 325, 68, 22, 6, 24, 25 Find the…

A: The question is about measures.Given :No. of observations ( N ) = 15To find :a ) Meanb ) Medianc )…

Q: Consider the following distribution of scores: 2,5,3,7,6,5. What is the mean?

A:

Q: In a survey of women in a certain country (ages 20 - 29), the mean height was 63.6 inches with a…

A: Solution To find the 95th percentile we will use excel

Q: The average McDonald's restaurant generates $2 million in sales each year with a standard deviation…

A: Sample  (x) (x-x̄)2 1 2.6 0.1089 2 3.2 0.8649 3 2.2 0.0049 4 2.6 0.1089 5 2.2 0.0049 6…

Q: give the sample standard deviation of this data set: 20, 25, 35, 40

A: Sample Standard deviation:   If the standard deviation is calculated for sample then it is called as…

Q: noat question Assuming a normal curve, find the highest Z score a person could have while being in…

A: Given that  A) P(Z < a) = 32% B) P(Z < b) = 6%

Q: As reported in Runner's World magazine, the times of the finishers in the New York Cit km run are…

A:

Q: A World Health Organization study of health in various countries reported that in Canada, systolic…

A:

Q: For the following data: X= [ 1 , 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, ,8 ,9] Find: A)…

A: Formula to calculate mean is, Mean=Sum of all observationsNumber of obervations Formula to calculate…

Q: Six different rain gauges on campus recorded the following precipitations during the month of…

A: Here, x x-x (x-x)2 8.4 -1.63 2.6569 9.8 -0.23 0.0529 11.1 1.07 1.1449 4.6 -5.43 29.4849…

Q: A baseball team is reviewing their batting statistics. The mean number of hits for the batters on…

A: Given Population mean μ=124,  standard deviations σ=14.5  Let X be the baseball team is reviewing…

Q: In a population of ages where the mean age is 45 and the standard deviation is 5.25, what are the…

A: Given Mean=45 Standard deviations=5.25

Q: person would need to be in each of the following top percentages. (a) 3% (b) 9%

A: It is given that  Mean, μ = 100 Standard deviation, σ = 11

Q: For the normal distribution of burning times of electric light bulbs, with a mean equal to 1200…

A: given data μ = 1200σ = 120normal distribution

Q: Consider the following data: 10,6,1,2,8,9 Calculate the value of the sample standard deviation.…

A:

Q: The following data set represents performance scores from a sample of participants in a psychology…

A: The formula to find sample standard deviation is as follows,  s = ∑ x2-∑x2nn-1

Q: In a bell-shaped distribution, 95 % of the data falls within 1 standard deviation of the mean.

A: Given that In a bell-shaped distribution, 95 % of the data falls within 1 standard deviation of the…

Q: 20, 23, 25, 28, 30, 32, 35, 35 Mean = Median = Mode = Standard Deviation II

A:

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.