Is it possible for the 50th percentile of a distribution to be equal to the 60th percentile? Why or why not?

Q: Suppose x has a distribution with μ = 61 and σ = 15. Find P(57 ≤ x ≤ 62). (Round your answer to four…

A: Note:Hey there! Thank you for your question. However, you have missed to mention the name of the…

Q: In an academic setting most discussions about a distribution of data typically begins with an…

A: True

Q: Suppose a normal distribution has 50%50% of its area falling to the left of x=30,x=30, and 25%25% of…

A: Given: 50% of its area to the left of  x=30 25% of its area to the right of x=38

Q: 3 15 16 17 18 19 Age Distribution B 2 %23 15 16 17 18 19 Age # of Students # of Students 4543 210…

A: Given Information:

Q: The shape of the t- distribution becomes similar to the binomial distribution as the sample size…

A: Here Distribution of t Distribution depends upon the sample size

Q: The sampling distribution of the mean, with N=30, of a moderately negatively skewed distribution is:…

A: If the probability distribution, with N=n, of a moderately negatively skewed, then the shape of the…

Q: A real estate company is interested in the ages of home buyers. They examined the ages of thousands…

A:

Q: What is the height of the uniform distribution? (That is the height at every x between 2 and 6 of…

A: It is given that the Uniform distribution is defined for 2 < X < 6. The pdf of uniform…

Q: A social service organization reports that the level of educational attainment of mothers receiving…

A: Note-  In case the question consists of multiple sub parts , we are authorized to answer three sub…

Q: At a local brokerage firm, the following distribution describes the number of individual stocks that…

A: 17% of the accounts hold 1 stock  21% of the accounts hold 3 stocks 20% of the accounts hold 7…

Q: A professor gives a test worth 100 points. The mean is 95, and the standard deviation is 4. Is it…

A: Given data  Mean = 95 STD dev = 4  X = 100

Q: a, If 1 adult female is randomly selected, find the probability that her pulse rate is less than 79…

A:

Q: -2. What is the 50th percentile of a t-distribution when the sample size is 12? 3. What is the 99th…

A: We have to find t score that satisfy following conditions.

Q: The average income in a certain region in 2013 was $70,000 per person per year. Suppose the standard…

A: Given information Mean µ = $70,000 Standard deviation σ = $31,000 n = 100 a) n = 100 > 25 Yes, it…

Q: If for a symmetric distribution, the difference of Median and first quartile is less than a…

A:

Q: For a normal distribution with m= 70 and s = 10, what is the minimum score necessary to be in the…

A: It is given that the for a normal distribution with m= 70 and s = 10. X~N(70,102) We have to find…

Q: what is the value of Z if 75% percent of all possible z values (symmetrically distributed around the…

A: 75% percent of all possible z values are symmetrically distributed around the mean . Value of z is…

Q: ] Consider the distribution of the population shown to Population Bistribution Frequency 400- the…

A:

Q: (b) If the distribution is really N(5.43,0.54), what proportion of observations would be less than…

A:

Q: ☐True ☐False In the sampling distribution of the mean, every point on the x-axis refers to a mean of…

A: We have to find correct answer..

Q: Use the normal distribution to the right to answer the questions.   ​(a) What percent of the scores…

A:

Q: Consider two population distributions labeled A and B. Distribution A is highly skewed and…

A:

Q: Which of the following describes a typical distribution of F-ratios?   a. ​Symmetrical with a mean…

A: The F-ratio is the ratio of the variance of group to the variance of group within. It can be…

Q: A report by the Gallup Poll found that a woman visits her doctor, on average, at most 5.8 times each…

A: When the given sample size is less than 30 we use t-test as a test statistic. Using t-test we can…

Q: 3. For a final class project, a student plans to survey a representative sample of 50 students and…

A: Provided information is, for a final class project a student plans to survey a representative sample…

Q: must be to the right of the mean is: In a nistogram, the proportion of the total area whio O A.…

A: Option a) is correct. exactly 0.5 if the distribution is symmetric and unimodal.

Q: Provide an example of a distribution set that you would expect to generate results that are Skewed…

A: The skewed right distribution is one of the tails is on the right side of the graph. The peak lies…

Q: 1 Would you describe the shape of this distribution as: normal skewed left skewed right

A: Here we have given the histogram.     From using this histogram we have to identify the shape of…

Q: A report by the Gallup Poll found that a woman visits her doctor, on average, at most 5.8 times each…

A: From the provided information, Sample size (n) = 20 Sample mean and standard deviation can be…

Q: The lengths of your statistics class has a continuous uniform distribution between 46 minutes and 60…

A: We have to find out given probabiity for uniform distribution...

Q: One property of the distribution of sample means is that if the original population is normally…

A: Given : One property of the distribution of sample means is that if the original population is…

Q: What are the degrees of freedom for Student's t distribution when the sample size is 24?   d.f. =

A: According to the given information, we have Student's t distribution is used. Sample size, n = 24

Q: Suppose two distributions with the following characteristics are given. Distribution A Distribution…

A: Given data: The value of distribution A=55,600 and value of distribution B=44

Q: uppose a sampling distribution is constructed by selecting random samples of size 9 from a…

A: (a) The sampling distribution of a statistic is known as the probability distribution of all the…

Q: 1. As a general rule, the normal distribution is used to approximate the sampling distribution of…

A: Given : Statement : The normal distribution is used to approximate the sampling distribution of the…

Q: 2. If a chart shows that more than 80 percent of the students received either an A or B in the…

A: The given is inferred to indicate the proportion of students, who recieved either A or B in the…

Q: After conducting a literacy test on inmates, the evaluator realizes that the test was much more…

A: Given that after conduting a litrecy test on inmates, the evaluator realises that the test was much…

Q: In this problem, assume that the distribution of differences is approximately normal. Note For…

A: Given information: Given data represents the hours per fish caught fishing from shore and hours per…

Q: According to Reader's Digest, 43% of primary care doctors think their patients receive unnecessary…

A: Given data: p = 0.43 n = 310

Q: The letter grades in a Statistics course are distributed as follows: Grade A B C D F Frequency…

A: Give frequency  Frequency A=49 B=18 C=32 D=20 F=16 Hypothesis  Ho: Distribution of grades is uniform…

Q: What is the 2.5th percentile in a t-distribution with a sample size of 7?     a. -2.776 b. 2.447 c.…

A: Value is find by using t table

Q: 1. When is it appropriate to use the t-distribution in testing a hypothesis about population mean? a

A: Note: Since you have asked multiple question, we will solve the first question for you. If youwant…

Q: Which of the following statements about the median is not true?   a. It is less affected by extreme…

A: Here For Median

Q: We learned that there are 4 items by which we characterize a distribution in statistics. Which of…

A: Given : Four terms : a. Central tendency b. Homogeneity c. Skewness d. Kurtosis

Q: Suppose x has a distribution with μ = 61 and σ = 15. (b) If the original x distribution is normal,…

A: Given:x has a distribution with μ = 61 and σ = 15.Given sample size = n = 16

Q: If numerous samples of N = 15 are taken from a uniform distribution and a relative frequency…

A:

Q: A person who is interested in estimating the proportion of Reese’s Pieces that are orange collects a…

A: Hello there! there are more than three sub parts in the given question. According to our policies…

Q: If a researcher wants to have a distribution of a sample that is approximately normal then that…

A: See the below solution

Q: Suppose you are constructing a CI for a mean using T distribution and your sample size is 33. What…

A: We have to find degree of freedom for given test.