A random sample of 300 Kentucky students showed a mean combined SAT score of 1758 with a standard deviation of 213. A random sample of 300 Tennessee students showed a mean combined SAT score of 1725 with a standard deviation of 228. Using a 95% confidence interval for the difference in mean combined SAT scores, comment on how Kentucky and Tennessee students perform on the SAT.

Q: Katy Perry put out a new song. The first day, the song was downloaded 4502 times. Each day the…

A: Initial number of downloads=4502Number of download increases by 3% everyday.∴Increase in number of…

Q: Compare by writing , or =.

A:

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A: Given that Francisco Wantanabe is an up-and-coming baseball player in the minors.Currently, he has…

Q: Alex earns $48.5 ,$98.83 ,$155 and $131.5 on the first , second , third fourth week respectively.…

A:

Q: Write a short note on average.

A: Mean (average): The arithmetic mean (also called the average) is the most commonly used measure of…

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A: The given numbers of jobs are 36 and 239.

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A:

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A:

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A: A margin of error explains how many percentage points our statistic results will differ from the…

Q: , 160, 175, 162, 180, 240. The respective after weights are 142, 171, 162, 142, 171, 235.

A: before  after  150 142 160 171 175 162 162 142 180 171 240 235 Here each sample,…

Q: k) Give a "real world" interpretation of the residual calculated in part i). k) Make the following…

A: From the provided data we have the regression equation as, y^ =99.17341-1.59249x Part k: The…

Q: Use the functions below to find g (4) – h (2) g (x) = 2 h (x) = x - 6

A: 8) Given functions are: gx=12xfx=x-6 Now, put x=4 in gx and x=2 in fx g4=124=3 h2=2-6=-4 Therefore,…

Q: Please explain all work, including use of excel.

A: In summary, the key findings are:(a) The estimated regression equation for predicting the average…

Q: How many minutes are in 130 seconds? Your answer will have both minutes and seconds. Show your…

A: We know that  1 minute = 60 seconds

Q: Can you please create a pie chart and histogram from the number in the photo attached

A:

Q: Find the distance between (-1.509, 1.15) and (-1.891, 0.996). What is the time traveled if 1 unit=…

A: By applying distance formula

Q: School- related Work- Personal Social Family Care Other Total related Care Activities Activities…

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Q: My class this semester is 1000 points in total. I have 444 out of 667.5 correct with 332.5 points…

A: Solution

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.