Referring to the table below, what is the frequency of the second class interval ?

Q: The following are the scores of 30 college students on a statistics test. 75 80 96 65 79 71 87 69 81…

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Q: You are given a regression equation for the relationship between a local music stores sales (y) and…

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Q: A doctor's office staff studied the waiting times for patients who arrive at the office with a…

A: Given data: 1, 7, 11, 14, 5, 6, 5, 16, 12, 8, 8, 10, 12, 22, 8, 9, 7, 14, 17, 4

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A: In a simple linear regression model say, y^=a+bx, the interpretation of the slope is as follows: For…

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A: Let X and Y have jont pdf f(x,y)=(6/5)*(x2+y) ,0&lt;x, y &lt;1 a) Joint  cdf of X and Y…

Q: What are the limitations of a population range of 25, a population variance of 72.9167, and a…

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Q: Which of the following is not a definition of probabilistic independence? Select one: O a.…

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Q: A doctor's office staff studied the waiting times for over a one-month period. Use classes of 0-4,…

A: Given that,

Q: > Status (Custom) +】 Add a caption... 1.2 A survey was done by Mr Prinsloo in the area where he…

A: Introduction:  Here we need to answer some questions regarding box whisker plot by observing given…

Q: What is the p-value of a right-tailed one-mean hypothesis test, with a test statistic of z0=2.05?…

A: given data right tailed test z = 2.05 p value = ?

Q: .11 Suppose X is a continuous-type random variable with CDF Fx. Let Y be the result of applying Fx…

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Q: Q.1a Write the pdf of a normal random variable and a standard normal random variable. If the annual…

A: Note: Hi! Thank you for your question. As per the guideline we can solve one question at a time in…

Q: Blood serum cholesterol level of 10 persons are as under: 240,260,290,245,255,288,272,263,277,257.…

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Q: 1. Create a pivot table of Gender and Major. Then complete the Joint Probability table so you can…

A: Considering the whole 200 MBA students data: ID Gender Major Employ Age MBA_GPA BS GPA…

Q: A study was conducted to see whether heart rate (y) on swimmers linearly related to their age (x1)…

A: Concept: Coefficient of determination determine the variation in dependent variable that is being…

Q: (a) What proportion is 5 out of 15? (b) What proportion of 50 is 10? (c) One in a thousand equals…

A: (a) The sample size is 15.

Q: Match the correct term to the description in each question. a group of individuals or items that are…

A: 1. A group of individuals or items that are representative of the population from which it is taken…

Q: Major Engineering Business Nursing Education RM5000 60 20 5 30

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Q: What is the LARGEST possible value of the sample standard deviation? о a. There is no largest…

A: It is given that the statement about to the sample standard deviation. Here, need to find out the…

Q: Determine whether the study is an experiment or an observational study, and then identify a major…

A: Let us first define what is observational study and experimental study Observational study: In an…

Q: Which would be the most effective method to determine if the mean diameter of the suppliers products…

A: Concept: Whenever we want to check whether the mean claim is being fulfilled or not we use…

Q: Compute for multiple regression analysis using excel. Determine the parameters of this model. Find…

A: There are four quantitative variables- Quantity, Price, Advertising and Distance- under the study.…

Q: How do you find sample variance and population variance?

A: Sample Variance:      The variance is calculated using the sample data as given the sample variance.…

Q: The state education commission wants to estimate the fraction of tenth grade students that have…

A: Given that  Margin of error =E =0.020 Population proportion p=0.170 95% confidence

Q: You are given the following dataset for the weight of 11 patients in a psychiatric ward.   74 55…

A: The data is as follows x 74 55 60 56 72 58 65 66 70 78 69

Q: Interpret whether the data is normally distributed.   57997 57113 54123 63936 64835 6680…

A: Required: To test whether the given data is normally distributed

Q: An article in the Journal of Database Management ["Experimental Study of a Self-Tuning Algorithm for…

A: Since you have posted a question with multiple sub-parts, we will solve first 3 sub-parts for you.…

Q: 1. A student scored 65 on a calculus test that had a mean of 50 and a standard deviation of 10. She…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Suppose it is known that the probability of recovery for a certain disease is 0.4. If random sample…

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Q: What is the population of interest? O the rest of the 8,700 bricks the rest of the 8,850 bricks O…

A: Given: The total bricks are 9000 The number of bricks to be examined is 150.

Q: The table below tabulates the number of T-shirts in a shop, classified according to their colours…

A: From the provided information,   Small Medium Large X-large Total Blue 10 28…

Q: As the years (t) go by revenue (r) at a small business increases continuously $1000's Revenue(r)…

A: Given data: Year(t) $1000's Revenue(r) 4.0 169.00 5.0 214.00 6.0 243.00 7.0 301.00 8.0…

Q: NOTE mathematical finance :hand written answer please Explain what do you understand by a…

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Q: This is denoted as Ho and is a tentative assumption about a population parameter.

A: The given statement is 'a tentative assumption about a population parameter'.

Q: If the population from which your samples are taken is not normally distributed, then sampling…

A: The shape of the sampling distribution of difference between sample means depends on the…

Q: Find the 95% prediction interval for the average number of sick days an employee will take per year,…

A: From given : Sick Days=14.310162−0.236900(Age)Se=1.682207

Q: The histogram shows the number of miles driven by a sample of automobiles in New York City. What is…

A: From the given histogram we only have two labelled class mid points 10000 and 40000. From this class…

Q: 0 3 2 1 0- 4 3 201 1 3 2 5 5 5 6 6

A: Graph number 1 is not the right graph to represent the frequency data as using it we cannot give any…

Q: Given below are the numbers of indoor movie theaters, listed in order by row for each year. Use the…

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Q: R Coefficients: Estimate Std. Error t value Pr(>ltl) 2.565876 0.804007 3.191 0.00180 ** 0.685822…

A: Given  R2adjust=0.8503

Q: If ß represents the number of units of change in y for every one- unit change in x (i.e. the slope)…

A: The question is about slope of the lines Introduction : Slope is the ratio of change in y to the…

Q: Consider the following data. Find the variance. Round your answer to one decimal place.

A: Answer:- Given probability mass function of X x -5 -4 -3 -2 -1 P(X = x) 0.2 0.3 0.2 0.1 0.2…

Q: Assume the random variable has a binomial distribution with the given probability of obtaining a…

A: Solution is given below

Q: If a family has four children, is it more likely they will have - two boys and two girls (OPTION A)…

A: given data family has four children let x = No. of boys P(boy) =p =0.5 n = 4 p(x=X) = nxC pxqn-x…

Q: Plot data on a line graph

A: Graphs are visual representation of data set. It helps to understand the data by seeing it. Each…

Q: 1. Four mobile games were found in a list distributed to one thousand students. They  were asked to…

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

Q: What does this exercise show about the standard deviation? The idea is to illustrate the standard…

A: Concept: Standard deviation is a measure of dispersed was in a data.

Q: What is the difference between a cluster sample and a stratified sampling

A: There are broadly two types of sampling procedures or methods: one is probability and the other is…

Q: Suppose a sample of 9 customers spends an average of $200 with a standard deviation $20 what is a…

A: Solution:   Given that, Mean x̄ = 200 Sample size n = 9 Standard deviation s = 20

Q: See below. 4. The following data are the temperatures (in °C) of effluent at discharge from a sewage…

A: The question is about measures Given :   To find : 5th and 95th percentile