e 32. The mean and standard deviation of normal distribution are 60 and 5 espectively. Find the inter-quartile range and the mean deviation of the distribution:

Q: Which of the following quantities is most resistant to outliers? Answer choices: a.) the standard…

A: Given data: Which of the following quantities is most resistant to outliers? Answer choices:  a.)…

Q: The mean of a data set is 20 and the standard deviation is 2. What percentage of data value will…

A: Given  Mean=20, sigma=2 P(12<X<28)= ?

Q: c) The amount of sodium sulfate, in mg, found in the bottled water follows a normal distribution…

A: We have given that Mean(µ) = 13Standard deviations (σ) = 2.5X ~ N (µ, σ )= N (13,2.5)

Q: The grades of students were normally distributed with mean of 68 and standard deviation of 15.70. If…

A: A distribution which has bell shaped curve is called normal distribution. A bell shaped distribution…

Q: n test score was 1463 and the standard deviation was 314. The E the z-scores that correspond to each…

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Q: The mean and standard deviation of a population are 200 and 20, respectively. Suppose samples of…

A: We have given that, Population mean (μ) = 200, standard deviation (σ) = 20 and sample size (n) = 36…

Q: Find the standard deviation for the group of data items. Stems Leaves 8 1 58 2 58 The standard…

A: Given data : From the above stems and leaves data 8,15, 18, 25, 28 x¯ = ∑xin x¯ = 8+15+18+25+285 x¯…

Q: A normal distribution has a mean of μ = 70 and a standard deviation of σ = 8. For each of the…

A: Given information Mean μ = 70 Standard deviation σ = 8

Q: Q2: b) For a mean of 70 and a standard deviation of 8, find standardized score for a value of 80.…

A: Givenmean(μ)=70standard deviation(σ)=8x=80

Q: What is the mean of a distribution with a population standard deviation of 8, and a raw score of…

A:

Q: The table on the right gives the annual income for eight families, in thousands of dollars. Find the…

A: Given that following data Family Income x A 49 B 51 C 46 D 48 E 47 F 48 G 45 H 50…

Q: The average price of a textbook was found to be $125. What should be the standard deviation of this…

A: Obtain the value of the standard deviation. The value of the standard deviation is obtained below as…

Q: Q6) From the Uniform Distribution, find the mean and standard deviation from the graph: f (x) 20 20

A: Given : From given graph : Let X be r.v follows uniform dist.  X~U[0,20] a=0 , b=20

Q: On a test the mean score is 25 and the standard deviation is 2.3.  Which score could be expected to…

A: Mean =25 s = 2.3 z-critical value at alpha 0.05 is 1.65

Q: The monthly incomes of 16 students were analyzed and their average was 1000 TL and the standard…

A: Given data,μ=1000σ=200n=16z=2.7x=?

Q: On a standardized test with a normal distribution, the me was 64.3 and the standard deviation was…

A: We have given that  The scores follow the normal distribution with mean 64.3 and standard deviation…

Q: a) Find the mean? b) Find the median? c) Find the mode?

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPARTS  The following data was the exam scores (out of 100…

Q: and symmetric with a mean of 160 pounds and a standard deviation of 30 pounds. What percent of the…

A:

Q: Find the standard deviation for the group of data items. Stems Leaves 3 4 16 16 The standard…

A:

Q: Solve for the mean and the standard deviation of the following normally distributed set of data. a.…

A: We have given that Standard deviation below mean is 6.7 and standard deviation above the mean is 9.9

Q: The weights of the native North American Blue Jay have a mean of 18.4 ounces with a standard…

A:

Q: Give the range of mass in which 95% of the data falls. the standard deviation is 49.0 and the mean…

A: A range in which the value lies for the data is called as confidence interval . Here , 95% of…

Q: answer the following. a. From this data calculate the Mean, Median, Mode and Standard Deviation. b.…

A: 4. a. The descriptive analysis is conducted using EXCEL. The software procedure is given below:…

Q: When the weight of a parcel of oranges was measured, it was seen that the average 200 grams and…

A: Given: Population mean (μ)=200 Population standard deviation (σ)=25 Let X be the weight of a parcel…

Q: A data set is found to be normally distributed with a mean of 15.67 and a standard deviation of…

A: The z-score for a data point represents how far a data point is from the mean in terms of standard…

Q: Given the mean of GRE scores is 150 and the standard deviation is 8.8. What proportion of combined…

A:

Q: The weight of Leonberger dogs is normally distributed with a mean weight of 139 lbs and a standard…

A: Here the weights of dogs are normally distributed with mean=139 and SD=22. We need to find the 85th…

Q: Suppose that the blood alcohol content of students who drink five beers varies from student to…

A: The mean and standard deviation are 0.07 and 0.01.

Q: If a distribution has a mean of 35 and a standard deviation of 5, what value would be +1.5 standard…

A: Given that The value of mean of 35, Standard distribution of 5 and that correspond s to a z-score of…

Q: Jay is a photographer who estimates that their time shooting for a cooking magazine is uniformly…

A: From the given information, Jay is a photographer who estimates that their time shooting for a…

Q: d. The 90th percentile of a normal distribution is how many standard deviations above the mean? e.…

A: a) Let X represent the normal distribution P(X<y)=0.9P(z<y-μσ)=0.9Using standard normal…

Q: Jay is a photographer who estimates that their time shooting for a cooking magazine is uniformly…

A: (a). Write out the distribution for Jay’s situation: Denote the random variable as X = Time shooting…

Q: A distribution has a mean of 30 and a standard deviation of 4. Approximately 68% of the distribution…

A:

Q: Which of the following are measures on positions of a data seta the maximum the standard deviation…

A: Solution : Measures on positions of a data sets - Positional measures are also referred as measures…

Q: A distribution has mean 100 and standard deviation 3. What is the largest percent of the data that…

A: Given: Formula:

Q: How many of the sample of families would fall above 2 standard deviations from the mean? A. 0 B. 1…

A:

Q: In an examination, the mean grade is 81 and the standard deviation is 6. Find the Z-score of the…

A:

Q: Approximately, what percent of the students scored within A.0 1 standard deviation of the mean? B 1…

A: Since you posted a question with multiple subparts, we will solve first three subparts for you. To…

Q: You are given that X is normally distributed witha  mean of 50.2 and a standard deviation of 3.7 a)…

A: GivenMean(μ)=50.2standard deviation(σ)=3.7

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: The quantitative subtest of the Graduate Record Exam (GRE) has a mean of 500 and a standard…

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Q: In a Calculus test, the mean score is 42 and the standard deviation is 5. Assuming the scores are…

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Q: On an exam with u = 52, you have a score of X= 44. Which of the following values for the standard…

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Q: Use the following information for the question. The average travel time to work for a person living…

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Q: if you score a 96, what percentage of the population scored above you? a group of students take a…

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Q: The average daily rainfall for the past week in the town of Hope Cove is normally distributed, with…

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

A: We have given that  The member had a mean age of 68 years and standard deviation 10 years.

Q: Suppose the measurement of 800 items are normally distributed with mean 66 cm and standard deviation…

A:

Q: Solve the problem. 10) For a standard normal distribution, find. the percentage of data that are…

A: