If on an everage rain falls on 12 days in every 30 days, find the probability (i) that the first 4 days of a given week will be fine and the remainder wet.

Q: Make a visualization using excel and interpret (show the step by step process in excel)

A: The weekly sales report compares five items- Apparel, Art, Collectibles, Home Décor and Serving. We…

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A: Chi-square test for independence: This statistical test is used for a large number of samples. It is…

Q: Fnd r if bYX = 1/4 and bXY = 16

A: The correlation coefficient is the associational statistic for two continuous variables.

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A: Given Suppose that the lifetime X (in hours) of a certain type of flashlight battery is a random…

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A: From the provided information,

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A: Given Mean=56 Standard deviations=9

Q: is asked to send four employees who have positive indications r for further testing. Suppose 40% of…

A: *Answer:

Q: Below are four descriptions of a relationship between two variables. For each description select the…

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Q: The following are ages of 17 of the signers of the Declaration of Independence. 48, 52, 55, 50, 33,…

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Q: In a survey, 26 people were asked how much they spent on their child's last birthday gift. The…

A: Given X-bar=39 Standard deviations=3 n=26

Q: 1. It has been reported that the average credit card debt for college seniors at the college book…

A: 1. The provided information is  x¯=10900σ=2590n=50 a. The null and alternative hypothesis…

Q: For the given data set: x |80|172 y 2 15 11 5 19 6 13 2

A: Steps of create scatter Plot; 1. Enter the data in excel then, 2. Go to insert --- scatter plot…

Q: Calculate the Coefficient of rank correlation: Mathematic Statistics S 3 6 5 8 9 4 B 7 1 10 2 2 3 1…

A: Given data is  Mathematics Statistics 3 6 5 4 8 9 4 8 7 1 10 2 2 3 1 10 6 5 9…

Q: Data Management - Statisitcal Analysis Describe each graph seperately. Explain the type of graph…

A: A careful inspection line plot reveals that there is greater in number for male hospitalization in…

Q: The data below are from an independent-measures experiment comparing three different treatment…

A: Group 1 Group 2 Group 3   0 1 4   0 4 3   0 1 6   2 0 3         Sum = 2 6 16…

Q: n a school district, all sixth grade students take the same standardized test. The superintendant of…

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Q: The joint density function for X and Y is ху 0 < x < 2 and 0 <y<3 fx,r(x,y) = 9 0 elsewhere (a) Show…

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Q: Consider the binary communication channel shown in Fig. 4.9. Let X, Ybe random variables, where X is…

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Q: Create a scatter plot for the data. Do you think there is a linear relationship between the two…

A: Scatter plot is used to determine the association between two variable. The variables used in…

Q: The workers' union at a certain university is quite strong. About 94% of all workers employed by the…

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

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Q: Treat the number of months X after January 1 that someone is born as uniformly distributed from 0 to…

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Q: 1. Select two or three health-related issues that are affect social, behavioral, or cultural factors…

A: Some of the data collection Methods: Some of the statistical methods for data analysis are :

Q: In a large clinical trial, 398,863 children were randomly assigned to two groups. The treatment…

A: Solution-: Given:   n=398863, n1=197498, x1=34, n2=201365, x1=102 Identify the values…

Q: The manager of the service department of a local car dealership has noted that the service times of…

A:

Q: Which one measure of central tendency would you report for the variable SEX (1=male, 2= female)

A: The measure of central tendency provides a measure about the center of the set of the observations.

Q: Suppose a sample of 49 paired differences that have been randomly selected from a normally…

A: Given: Sample size n=49 d¯=5.2 Sample standard deviation sd=7.4

Q: d. How many degrees of freedom are there? e. If appropriate perform a test of independence, using…

A: 9) The information given in the above problem is represented in the following table as follows:…

Q: (f) State the hypotheses that can be used for this matched pair t-test, using notation that you…

A: Given that: Suppose 10 pairs of competitors are selected.  One member of each pair is randomly…

Q: 4. A survey by Women's Health magazine stated that 20% of women said they used exercise to reduce…

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Q: The mayor of a town has proposed a plan for the construction of a new community. A political study…

A: The provided information is n=900 p^=0.59α=0.10 step 1.The null and alternative hypothesis…

Q: 5. The weight of a certains species of fish is normally distributed with mean of 4.25 Kg and…

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Q: The percent of fat calories that a person in America consumes each day is normally distributed with…

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Q: The data below are from an independent-measures experiment comparing three different treatment…

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Q: Q2: For the raw data shown in Table below: 1) Find out which of the x₁ or x₂ variables is better…

A: Given Information: No. of variables=03Variables=1. x12. x23. y

Q: 9. Sample data from the National Center for Health Statistics reveal that weights of American men…

A: Given Information: Men: Mean μ=175 Standard deviation σ=35 Women: Mean μ=140 Standard deviation σ=30

Q: The marketing manager of a firm that produces laundry products decides to test market a new laundry…

A: Given X1=78.2 X2=72.2 n1=12 n2=17

Q: The joint density function of X and Y is e-(x² + y²)/40 fx.r(x,y) 40 π Find the mean value of the…

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Q: 1. A random sample of 15 from a normal population gives a correlation coefficient of -0.5. Is this…

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Q: Q2: For the raw data shown in Table below: 1) Find out which of the x₁ or x₂ variables is better…

A: For the given data, we need to find the correlation coefficients and equation of regression line for…

Q: Transport engineers are interested to study the pattern and the risk of accidents at a junction.…

A: The question is about goodness of fit Given :

Q: Calculate the Coefficient of rank correlation: Mathematic Statistics S 3 6 5 4 8 9 8 1 2 3 10 5 4 7…

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Q: 2. A startup company has an overall of its states of 90% that has been settled for 20 days. A tech…

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Q: ACTIVITY #1: DIRECTION: Accomplish each step in solving the Grouped Frequency Distribution. The…

A: The following data has been given:…

Q: How did you get 0,158 in question 1? Please show me your calculation.

A: How did you get 0,158 in question 1?

Q: When people smoke, the nicotine they absorb is converted to cotinine, which can be measured. A…

A: Sample size n=40, sample mean x̄=172.5, population standard deviations σ=119.5,  population mean…

Q: Which one measure of variation should you report for SOCIAL CLASS(1=lower, 2= working,…

A: The range is used as a measure of variation report for SOCIAL CLASS.

Q: 4. New devices manufactured by a company, are designed to have a lifetime of 27000 hours. Tests with…

A: The provided information is  x¯=26350s=920µ=27000α=0.05 n=30a.The null and alternative hypothesis is…

Q: publisher reports that 36% of their readers own a laptop. A marketing executive wants to test the…

A: Given n=320 P=0.36 Alpha=0.01