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Question: The correlation between Stanford-Binet IQ scores and Wechsler Adult Intelligence Scale (WAIS) IQs is about .80. Both tests have a mean of 100. The standard deviation on older versions of the Stanford-Binet was 16. For the WAIS, S = 15. What WAIS IQ do you predict for a person who scores 65 on the Stanford-Binet? Write a sentence summarizing these results. (An IQ score of 70 has been used by some schools as a cutoff point between regular classes and special education classes.)
There are 100 equally spaced points around a circle. At 99 of the points, there are sheep, and at 1 point, there is a wolf.
under appropriate conditions the sampling distribution of the z-statistic is approximately a standard normal
How many days should be considered if a 95 percent confidence is used and the estimate is to be within one hundred dollars?
The probability distribution of the daily demand for a product is shown below. What is the expected number of units demanded per day? Determine the variance and the standard deviation.
production engineers at sinotron believe that a modified layout on its assembly lines might increase average worker
researchers studied the effects of adding an exercise program to dieting in the achievement of weight loss. a sample of
At the end of class, our teacher said "If you're perceptive, you may have noticed that a regression analysis produced by the Excel Data Analysis ToolPak contains an ANOVA table.
Find the probability X takes on a value smaller than the mean.- Using the probability distribution, explain why the value of the mean of X makes sense.
Determine the equation of the regression line relating y = Time Next to x = Duration. Write the equation.- What is the value of the slope of the equation? Write a sentence that interprets the slope in the context of these variables.
Suppose an advertising agency is conducting a survey concerning the effectiveness of commercials during the Super Bowl.
The weights at birth of five randomly chosen baby Orca whales were 425, 454, 380, 405, and 426 pounds. Assume the distribution of weights is normally distributed. Find a 95% confidence interval for the mean weight of all baby Orca whales. Use tech..
DAY 1. Multiply the three matrices together in order (A*B*C) to get a fourth matrix 'D'. What is the fourth matrix? DAY 2. Multiply the fourth matrix by the scalar 6 to get a fifth matrix E.
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