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Calculate linear correlation coefficient between MRI count and IQ for both males and the females. Do you think that MRI count and IQ are linearly related?
Find out the list-squares regression line. Graph least-squares regression line on scatter diagram.
Calculate residual based on observed head circumference of 25-inch-tall child in table. Is head circumference of child above average or below average?
Forecast miles per gallon of car B and calculate residual. Is miles per gallon of this car above average or below average for cars of this weights?
Is there linear relation between square footage and asking price? Find least-square regression line treating square footage as explanatory variable.
Remove value corresponding to Randy and calculate least square regression line correlation coefficient.
Find out the correlation between distance and sidereal year. Correlation between distance and sidereal year is?
Find out the point estimate for σ. Se ≈ (.......)(Do not round until final answer. Then round to four decimal places as needed)
To conduct the hypothesis test, first compute test statistic t0. (Describe the result; rejected or do not reject; do relation exists between x and y?).
If residuals are normally distributed create the 95% confidence interval about slope of true least squares regression line.
What is meant by the interaction term? What variable interact? The Coefficient of determination for the model is 85.5%. Describe what this means.
Draw residual plots to assess adequacy of the model. Create residual plot for air temperature and for wind speed. What might you conclude based on plot of residuals against wind speed.
Find solution by solving system of equations in b) using rref on your calculator (show original matrix and row-reduced matrix).
Harry decided to save money for new born son's college cost right now. How much total interest will he get for option A?
Sleeping aid Ambien has biological half-life of about 1.5 hours. Find the exponential model for amount of Ambien in person's body x hours after 9:00 p.m.
Find the function of flight of his ball? Draw a graph of equation from a). Ensure to give ranges for x- and y- axes.
Write the name of variables (x, y, etc.) and find best fitting linear model. Find the significance of the slope? Write a full explanation.
Calculate standard error, point estimate for σ. Assuming residuals are normally distributed, find out Sb1. Assuming residuals are normally distributed.
Sketch the scatter diagram treating x as explanatory variable and y as response variable. Find out least-squares regression line.
If total is 17, then I roll two more dice and add that to total. If the two bonus dice total 20, then score of that game is 37. Of ten thousand games, find the average score?
In row of six houses, each house is different color. The house colors are blue, purple, red, white, green, and yellow. Pets live in five of six houses. Which colors of houses could be in second row?
In row of six houses, each house is different color. The house colors are blue, purple, red, white, green, and yellow. Which colors of houses could be in second row?
a) How many seats are there on plane? b) Find the probability of NOT sitting in row 7? c) Find the probability of sitting in a window seat?
Suppose ordinary interest, find adjusted balance due at end of the 90 days? Remember to use U.S. Rule! (Round to the nearest cent)
Sketch picture of how brownie pan might look before and after Greg buys his brownies. What fraction of whole pan does Greg buy?