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Solve the problem using algebra.
1. Find the Celsius temperature(to the nearest degree when Fahrenheit temperature is 9 degrees by solving the equation 59= 9/5 C +32, where F is the Fahrenheit temperature (in degrees and C is the Celsius temperature.
2. A square plywood platform has a perimeter which is 7 times the length of a side , decreased by 12. Find the length of a side.
Solve the formula for the specified variable.
3. I =nE______, for nnr+R
4. Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.
a. Seven times the difference of 7 and a number gives 70. find the number.
b. Ten less than three times a number is the same as five times the number. Find the number.
Plot fitted values against residuals. Does this plot point out any problems with homoscedasticity?
Mean satifaction differ according to how they most use the bank? Identifing notation, state the null and alternitive hypotheses for conducting an ANOVA with data from the survey?
You want to prove that a population mean is not 7. Data is ratio and a large sample size will be used (n = 225). When the sample is done the sample mean is computed to be 7.2 and the sample standard deviation is 1.5.
At the .05 significance level can we conclude that there is more variation in the processing time of the new machine?
Hypothesis test for two factors ANOVA. Describe what thses represent and, based on figure, whether there is a problem with the data r otherwise.
What is a probability notation? What are the advantages and disadvantages of using a probability notation? How does probability notation aid in decision making?
Construct a 99% confidence interval estimate of the population mean amount of paint in a 1-gallon can.
The author collected data consisting of the month of birth of actors who won Oscars. Use a 0.05 significance level to test the claim that Oscar winning actors are born in different months with the same frequency.
A population of scores has p = 44. In this population, an X value of 40 corresponds to z = - 0.50. What is the population standard deviation.
Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the price of the car.
Find the equation of the regression line. What is the predicted value when x = 4? Is the correlation significant at 5% significance level (95% confidence level)? Why or why not?
Find the 95% confidence interval of the mean number of ER patients treated each day in the hospital if the standard deviation is 8 instead of 4.
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