8,918 Answered Questions for the topic statistics

Statistics

12/05/23

A Small Regional Flight Carrier

A small regional carrier accepted 17 reservations for a particular flight with 15 seats. 8 reservations went to regular customers who will arrive for the flight. Each of the remaining passengers... more
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Statistics

12/05/23

help please i dont understand.....
Suppose that you and a friend are playing cards and you decide to make a friendly wager. The bet is that you will draw two cards without replacement from a standard deck. If both cards are clubs,... more
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Statistics

12/05/23

Eyeball-estimate the regression line for the following scatterplot. Then determine the slope of that line. Select the answer that comes closest to your eyeball-estimate of the slope.
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Statistics

12/05/23

Eyeball-estimate the regression line for the following scatterplot. Then determine the slope of that line. Select the answer that comes closest to your eyeball-estimate of the slope.
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Statistics

12/05/23

Eyeball-estimate the regression line for the following scatterplot. Then determine the intercept of that line. Select the answer that comes closest to your eyeball-estimate of the intercept.
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Statistics

12/05/23

Eyeball-estimate the regression line for the following scatterplot. Then determine the intercept of that line. Select the answer that comes closest to your eyeball-estimate of the intercept.
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Statistics

12/05/23

If the Child’s Score is 32, what is the predicted value for Adult’s IQ?
answer choices 86 91 105 113
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Statistics

12/05/23

If the Child’s Score is 35, what is the predicted value for Adult’s IQ?
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Statistics

12/05/23

Business statistics

The line of best fit through a set of data is y=13.743+3.814xAccording to this equation, what is the predicted value of the dependent variable when the independent variable has value... more
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Statistics

12/05/23

business Statistics
Using your favorite statistics software package, you generate a scatter plot with a regression equation and correlation coefficient. The regression equation is reported as y=−30.18x+55.02 and the... more
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Statistics

12/04/23

How can I find reliable resources for statistics homework help to enhance my understanding of key concepts and improve my performance in the subject?
How can I find effective assistance and resources for statistics homework help? Are there recommended online platforms, tutoring services, or study materials that provide comprehensive support for... more
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Statistics

12/01/23

Assume a Poisson distribution. Find the following probabilities.
Assume a Poisson distribution. Find the following probabilities.a. Let λ=5.0​, find ​P(X≥2​).b. Let λ=0.5​, find ​P(X≤1​).c. Let λ=6.0​, find ​P(X≤3​).d. Let λ=4.1​, find ​P(X≥1​).e. Let λ=5.2​,... more
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Statistics

12/01/23

Correlation and Regression Study Guide Question

Briefly describe 5 general approaches for estimating curvilinear effects. What 2 types aregenerally emphasized in psychology by those trained in regression? What one type isemphasized by those... more
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Statistics

12/01/23

Business statistics

Based on the data shown below, calculate the regression line (each value to two decimal places)y =________  x +... more
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Statistics

12/01/23

Business statistics

A particular professor has noticed that the number of people, P, who complain about his attitude is dependent on the number of cups of coffee, n, he drinks. From eight days of tracking he compiled... more
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Statistics

12/01/23

Business statistics

Using your favorite statistics software package, you generate a scatter plot with a regression equation and correlation coefficient. The regression equation is reported asy=−58.31x+93.97 and the r=... more
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Statistics

12/01/23

Business statistics

the line of best fit through a set of data isy=−23.955+2.155xAccording to this equation, what is the predicted value of the dependent variable when the independent variable has value... more
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Statistics

11/30/23

Business Statistics
A food safety guideline is that the mercury in fish should be below 1 part per million​ (ppm). Listed below are the amounts of mercury​ (ppm) found in tuna sushi sampled at different stores in a... more
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Statistics Math

11/30/23

A well-known brokerage firm executive claimed that at least 49 % of investors are currently confident of meeting their investment goals.

An XYZ Investor Optimism Survey, conducted over a two week period, found that out of 84 randomly selected people, 43 of them said they are confident of meeting their goals. Suppose you are have... more
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Statistics

11/30/23

Business statistics
You generate a scatter plot using Excel. You then have Excel plot the trend line and report the equation and the r2r2 value. The regression equation is reported asy=46.76x+72.82y=46.76x+72.82and... more
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Statistics

11/30/23

business statistics

A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y).The results of the regression... more
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Statistics

11/30/23

How many parents would need to be sampled? Can I do this on ti-84 calculator
You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study, you believe the population standard deviation is approximately 43.7 dollars.... more
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Statistics

11/29/23

Bone mineral density and cola consumption has been recorded for a sample of patients
Let represent the number of colas consumed per week and the bone mineral density in grams per cubic centimeter. Based on the data shown below answer the questions rounding your final answers to... more
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Statistics Math

11/29/23

You wish to test the following claim ( ) at a significance level of . You believe the population is normally distributed, but you do not know the standard deviation.

You obtain the following sample of data: data 98.7 79.9 73.4What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = IncorrectWhat is the... more
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Statistics Math

11/29/23

Test the claim that the mean GPA of night students is larger than 2.8 at the 0.01 significance level.

The null and alternative hypothesis would be:H0:u<2.8H1:u>2.8right tailedBased on a sample of 50 people, the sample mean GPA was 2.81 with a standard deviation of 0.05The test statistic... more
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