-Find the mode from the following data : Values Frequency Values Frequency Below 50 97 Below 30 60 Below 45 95 Below 25 30 Below 40 90 Below 20 12 Below 35 80 Below 15 4

Q: Ihere are a sunners in the tirals of district 10 0 merer the Runners cve from Cbrksuille, two is fro...

A: So in the given case, the favorable outcome is given by a case in which only one of the top three fi...

Q: jects obtained by one of the students was wrongly taken as 7 instead of 9. Find the correct coeffici...

A: Here use formula of rank correlation coefficient 

Q: From the data given below, calculate Karl Pearson's and Bowley's coefficients of skewness. Mean = 15...

A:

Q: 3.16 SAT scores: SAT scores (out of 2400) are distributed normally with a mean of 1520 and a standar...

A: Let X be the random variable from normal distribution with mean (μ) = 1529 and standard deviation (σ...

Q: In a competition of 18 runners, how many ways can you pick the best 3 runners if you have to pick th...

A: We have given that  In a competition of 18 runners, we have to pick 3 best runners. The permutation ...

Q: John was assigned the task of investigating the error in payments for routine purchases made by the ...

A:

Q: The table shows the corresponding values of three variables, X,, X, and X,. Find the least square re...

A:

Q: Assignment: Construct 2 problems/real-life situations/experiences about probability distributions Ex...

A:

Q: The following data relate to the age of a group of Govt. employees. Calculate the arithmetic mean an...

A:   Class Frequency (f) Mid value (x) d=X-Ahd=X-37.55A=37.5  ,   h=5 f⋅d f⋅d2 20 - 25 170 22.5 -3...

Q: d. What is the probability of receiving the Athletic scholarship given that you have been awarded th...

A: From the given information, P(A)=0.19.

Q: From the data given below, calculate Yule's coefficient of association between weight of children an...

A: Yule's coefficient is used to measure the degree of association between the categorical variable. It...

Q: Example 2-31. Find the nean deviation fron the mean and standard deviation of A.P. a, a +d, a + 2d, ...

A:

Q: The test scores for the analytical writing section of a particular standardized test can be approxim...

A: From the provided information, Mean (µ) = 3.3 Standard deviation (σ) = 0.95 X~N (3.3, 0.95)

Q: 3. The national average weight in NCR of Male Grade 11 students is 62 kg. A random sample of 10 stud...

A: Given The data is as follows: 55.5 63.2 61.8 54.2 67.1 62.1 64.3 65.5 81.3 72.3 Sample size,...

Q: Two samples are taken with the following sample means, sizes, and standard deviations I1 = 24 z = 28...

A:

Q: You believe that Republicans should be more enthusiastic about Donald Trump than Democrats. You ask ...

A: Hypothesis testing is used to make inferences from the sample about the population or parameter. The...

Q: To investigate the influence of distracted driving, 13 volunteers were asked to participate in a stu...

A: The correlation provides the relationship between two variables. It shows the non-causal relationshi...

Q: qoiii. answr only pls 25. what is the null hypothesis 26. what is the alternative hypothesis ...

A: For the given data Find 25. what is the null hypothesis 26. what is the alternative hypothesis 27. w...

Q: Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.53 with a st...

A:

Q: Given that: m = 28.339 (mean number) σ = 6.2 (standard deviation) n = 25 (sample) Compute the lo...

A:

Q: Two major lottery games, Mega Millions and Powerball serve as de facto national lotteries. Which lot...

A: Note: As per guidelines we will only answer the first three subparts, please repost other subparts f...

Q: The managers of a corporation were surveyed to determine the background that leads to a successful m...

A: Probability of an event is found by dividing the number of favourable outcomes by the total number o...

Q: When do we use frequency distribution?

A: We need to use the concept of frequency distribution to answer question.  

Q: 11. In the game of Craps a player wins by rolling a sum of 7 or 11 with two dice. Christian played t...

A:

Q: There are 1,000 students in a college. Out of 20,000 in the whole university, in a study 200 were fo...

A: From the provided information,

Q: What height represents the 95th ​percentile? ​(b) What height represents the first​ quartile?

A: Here Given  For survey of women in certain country for their height Mean=μ=66.6 Inches SD=σ=2.72 Inc...

Q: You wish to test the following claim (H.) at a significance level of a = 0.001. H,: = 2 You believe ...

A: a. Denote μ1, μ2 as the population means for 1st and 2nd populations, respectively.

Q: • Enter your ten data points in the chart below: Price ($/lbs) Quantity (Ibs) 3.467 10.000 3.555 9.8...

A:

Q: Give a 99.8% confidence interval, for 41 - H2 given the following information. = 45, , = 2.77, s = 0...

A: Given that  Confidence level (C) = 99.8%  Level of significance (α) = 1-0.998 = 0.002 (n1) = 45 ;  x...

Q: A chain of video stores sells three different brands of DVD players. Of its DVD player sales, 48% ar...

A: The conditional probability of happening of event A when event B already happened, can be expressed ...

Q: (b) Given r 0.8, Ery 60 , o, 2.5 and Er 90, find the number of items (x and y are deviations from ar...

A:

Q: Given the probability density function f(x) 2 over the interval [1, 3], find the expected value, the...

A: Given the , Probability distribution function(pdf) : f(x) = 1/2  ,      [1,3] We need to calculate t...

Q: The variables x and y are connected by the equation ax + by + c = 0. Show that the correlation co-ef...

A: We are given the equation ax+by+c which can be written as below: by=-ax-cor, y=-abx-cb which is the ...

Q: X = 20. Y = 15, %3D O= 4, Obtain the two regression equations and find the most likely value of Y wh...

A: Given:  two variables x and y with following information  xbar=20,   ybar=15 , σx=4,   σy=3 and corr...

Q: The power of a test is 0.9650.965. What is the probability of a Type II error? The probability of a...

A: Given information- We have given the power of a test = 0.965 We have to find the probability of a Ty...

Q: . In a trivariate distribution. o, = 3, o, = 4, 0, = 5 r, = 0.4, r,, = 0.6 r,, = 0.7 %3D Determine t...

A: The regression line has more than one independent variable then it is known as multiple linear regre...

Q: Incomplete information obtained from a partially destroyed records on cost of living analysis is giv...

A:

Q: The lengths of lumber a machine cuts are normally distributed with a mean of 96 inches and a standar...

A:

Q: Cereal for Breakfast. A parent claims that kids eat cereal for breakfast more often than adults. A s...

A: a)   Assume that pkids, padults are the true population proportions of kids and parents, who eat cer...

Q: Military Test. The Armed Services Vocational Aptitude Battery is multiple-aptitude test battery used...

A:

Q: What proportion of students scored below 88%?

A: here given, exam average in a class is 82% with a standard deviation of 6 here use standard normal d...

Q: Assume that the distribution of X iS N(u, 10.89). Find the sample size so that we are 99% confident ...

A: It is given that Margin of error E = 0.5 Population SD = 10.89 Level of confidence = 99% The critica...

Q: Given a sample of n, = 16 from a population with s, = 11.25, and another sample of nz = 15 from a di...

A: There are two independent samples which follows normal distribution. The sign of the alternative hyp...

Q: onsider drawing a person at random from the residents of Berkeley and then giving them a test for CO...

A: Given: A person drawn from the residents of Berkeley and then giving them a test for COVID-19. A den...

Q: A researcher believes that tomato variety has an effect on the yield response to side-dressed nitrog...

A: A researcher believes that tomato variety has an effect on the yield of response to side-dressed nit...

Q: Directions: Write the probability distribution for each discrete random variable. 1. Construct the p...

A: 1. A family has 3 children.

Q: e autocorrelation function of the random telegraph signal process is given by Determine the power de...

A:

Q: background was also noted. The data appear below. Given that a manager is only a fair manager, what ...

A: HERE GIVEN INFORMATION about manager rating and educational background here use bayes rule for requi...

Q: A candidate is selected for interview for three posts. For the first post there were 3 candidates, f...

A:

Q: Residual Model Diagnostics Normal Plot of Residuals ICart of Residuals 20 40 15 30 10 20 10 -10 20 -...

A: Since you have asked multiple questions, we will solve the first three questions for you. If you wan...