Find the 25th, 50th, and 75th percentile from the 348 2 15 16 18 35 37 31 47 55 60 67 81 92 + 46 55 687 25th percentile = percentile = 55 8 12 21 27 41 43 76 Submit Question 15 ing list x 50th percentile - 31 x 75th

Q: Given are six observations taken for two variables:  X: 8 7 10 11 11 12 y: 23 21 30 33 36 35…

A: Introduction: It is required to obtain the correlation coefficient between the two variables, x and…

Q: FOOD. Periodically, the Food and Drug Administration (FDA) produces a report as part of its…

A: It is given that n = 800 and p = 0.91.

Q: Calculate the z-score for a raw score of 10, if the distribution's mean and standard deviation are 5…

A: Given X be the raw score X=10, mean=M=5, standard deviations sd=4

Q: ssume that when adults with smartphones are randomly​ selected, 57​% use them in meetings or…

A: P(use smart phiones in meetings or classes)= p = 0.57n = 30 aduls selected x = no. of adults use…

Q: Scores Probability 1 6 9 11 14 0.05 0.05 0.25 0.15 0.5 Find the expected value of the above random…

A: Introduction: It is required to find the expected value of the random variable "Scores".

Q: S1) In a recent study, researchers developed a new biomarker-based screening test for ovarian…

A: It is given that in a population of 250 ovarian cases 235 tested positive with the new biomarker,…

Q: Major television networks conducted a joint poll of viewers and asked them if they felt that beer…

A: Given that, sample 1 is 1000 and favorable case 477, sample 2 is 1000 and favorable case 517. We…

Q: 3.26. Three brands of batteries are under study. It is suspect- ed that the lives (in weeks) of the…

A:

Q: A survey recorded the number of children 18 years old or younger who lived in  households. The…

A: The data shows the number of children 18 years old or younger who lived in  households.

Q: The prevalance of mild myopia (nearsightedness) in adults over age 40 is 27% in the US. Suppose…

A: The given prevalence of mild myopia in adults over age 40 is 27%, and the sample size is 8.

Q: Check here for instructional material to complete this problem. Evaluate p = p= X₁ + X2 n₁ + n₂ for…

A:

Q: A researcher wanted to know which smartphone is more popular to the customers in terms of: OPERATING…

A: Since you have posted a question with multiple subparts, we will solve first three sub-parts for…

Q: All students at a university have to take English 2000, and American History 1400. The pass rates…

A:

Q: What is the difference between a normal distribution and other symmetrical distributions?   Question…

A: Given information: The statement is given related to normal and the symmetric distributions. Normal…

Q: Which of the following is NOT a measure of centrality?   Mean   Median   Mode   Mean Absolute…

A: Given information- We have given Mean, median, mode, and Mean Absolute Deviation. We have to define…

Q: A hospital wants to compare its annual patient turnover rate per bed with similar hospitals. The…

A:

Q: A study was conducted to measure the effectiveness of hypnotism in reducing pain. The measurements…

A: The data shows the effectiveness of hypnotism in reducing pain.

Q: You are taking a 13 question multiple choice trong "IIềIL La-II question has 3 possible answers.…

A: There are 13 multiple choice question with 3 possible answers.   Here, X follows binomial with n= 13…

Q: Evaluate the following formula for x₁ = 27.8796, x₂ = 24.5476, ₁-H2 = 0, sp = 39.73, n₁ = 47, and n₂…

A: given data x1¯ = 27.8796x2¯ = 24.5476μ1-μ2 = 0sp = 39.73n1 = 47n2 = 40test statistic (t) = ?

Q: Use the data set "longley" in R to answer the following questions Read the data set "longley" in R…

A: The objective is to read the dataset "longley" in R.

Q: The ponderal index is a measure of overall size similar to a body mass index. The ponderal index of…

A: Given that  Mean = 2.4 , Standard deviation = 0.45 n = 16  X̄ ~ Normal ( M = 2.4 , SD = 0.45/4…

Q: Assume that when adults with smartphones are randomly​ selected, 44​% use them in meetings or…

A: Suppose a random variable X, defines that the number of adults, who use their smartphones in…

Q: Problem Suppose the number of beds in a sample of 12 private hospitals and 15 public hospitals were…

A: c) Arrange the private and public hospital data in ascending order as follows: Private:…

Q: Here are the test scores for 12 students in Mr. P's class. 79, 54, 88, 76, 59, 65, 93, 86, 83, 73,…

A: Answer: From the given data, The test scores for 12 students in Mr. P's class,…

Q: Listed below are altitudes (thousands of feet) and outside air temperatures (°F) recorded during a…

A: For the given data We have to calculate unexplained variation.

Q: 4.65 Given that x is a random variable for which a Poisson probability distribution provides a good…

A: Introduction: We have used Excel to help you answer the question. Since part d requires all three of…

Q: can anyone explain how the graph is correlated to the p-value and if there is a difference between…

A: In the given question, the relation of Error bar graphs with p-value have to be stated clearly.…

Q: 3. The following represents the outcomes of rolling a die 600 times. 4 5 6 110 92 87 FACE 1 2 3…

A: The outcomes of rolling a die 600 times are as follows: Face Number 1 107 2 120 3 84 4…

Q: (d) Find the 10th percentiles. (Round your answer to two decimal places.) X = X-bar = 66.67

A:

Q: the probability of rolling “5” after 6 rolls is 1/6, what is the complement of the  probability of…

A: Given that  The probability of rolling “5” after 6 rolls=P(A)=1/6

Q: Evaluate the following formula for p₁ = 0.6, P₂ = 0.2, P₁ P2 = 0, p=0.541356, q=0.458644, n₁ = 97,…

A: Given information: p^1=0.6p^2=0.2p1-p2=0p¯=0.541356q¯=0.458644n1=97n2=84 Find: z test statistic.

Q: Let X = height of the students in inches Let Y = Foot length of the students in centimeters…

A: Obtain the values of sums of x, y, xy. The values of sums of x, y, xy are obtained below as follows

Q: Which comparison of mean differences (men versus women) had the smallest effect size? Reason for…

A: Given Information: Reason for testing             Men (N=179) M (SD)               Women (N=248) M…

Q: The television show 50 Minutes has been su years. That show recently had a share of 1 that among the…

A: The survey of 14 households; n=14 16% turned to 50 minutes; p=0.16

Q: researcher is conducting a study to determine the mean trough dosage of medication for a population.…

A:

Q: Given in the table are the BMI statistics for random samples of men and women. Assume that the two…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: When is it appropriate to make a bar graph vs. scatterplot vs. line graph

A: Introduction: It is required to discuss the situations in which it is appropriate to draw a bar…

Q: A soft drinks machine is regulated so that it discharges an average of 200 milliliters per cup. If…

A: GivenMean(μ)=200standard deviation(σ)=15

Q: Suppose that 90% of all batteries from a supplier have acceptable voltages. A certain type of…

A: Given that 90% of all batteries from asupplier have acceptable voltages. n =10,P(X>=9) =?

Q: Manufacturer's specifications state that the piston in a motorcycle engine must have a diameter of d…

A: Introduction: It is required to identify the measurements provided by the assistant, that are most…

Q: Researchers want to know if there is an association between a city's temperature and rainfall. They…

A: A. In this case, it is needed to check whether there is a there is an association between a city's…

Q: Adrian hopes that his new training methods have improved his batting average. Before starting his…

A: Suppose p1, p2 are the true proportions of batting averages before starting new technique and after…

Q: An article in Fortune magazine reported on the rapid rise of fees and expenses charged by mutual…

A: Given Information: Stock funds: Sample size n1=12 Sample mean x¯1=1.63 Sample standard deviation…

Q: e that when adults with smartphones are randomly​ selected, 45​% use them in meetings or classes. If…

A: 5 adult smartphone users are randomly selected; n=5 45% use them in meetings or classes; p=0.45

Q: their alarm. Refer to the following set of responses as your data: 7 7 8 8 8 8 8 8 10 10 11 11 12 12…

A: since there are multiple questions, first three parts answered. kindly repost for more help .

Q: hey (in dollars) the company spent on medical support for its employees in the first three months of…

A: Giving From the given table Formula for weighted mean =(summation of fi *xi)/summation of fi)

Q: The number of square feet per house are normally distributed with a population standard deviation of…

A: Given,sample size(n)=25sample mean(x¯)=1820population standard…

Q: You have a jar with sixteen gumballs. Four are purple, six are silver, three are blue, and three are…

A:

Q: Pak, with a seed of 1, to develop a Monte Carlos final answer to two decimal places. e after the…

A:

Q: A researcher sets up an experiment where one group of students studies and hour each evening and…

A: A researcher sets up an experiment to see  time spent in studying has an an effect on test score or…