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Suppose IQ score were obtained from a randomly selected siblings.For such 20 pairs of people the linear corelation is 0.907 and the equation of regression line is y= 3.92+0.95x ,where x represents the iq score of the younger child. Also ,the 20 x values have a mean if 99.85 and the 20 y values have a mean of 99.25.What is the best predicted IQ of the older child,given that the younger child has an IQ of 104?Use a significance level of 0.05.
Assume that demand for the upcoming weekend is normally distributed with a standard deviation of 30.
a box contains three marbles one red one green and one blue. consider an experiment that consists of taking one marble
The first step in this assignment is to provide SPSS with the Value Labels for the values in LOCALE97.
Findout the value of X using normal distribution which gives standard deviation also mean. A math teacher gives two different tests to measure students' aptitude for math.
Standard deviation of 1.4 inches. What is the probability that the average length of a steel from a sample of 36 is more than 27.65inches long?
a company makes electric motors. the probability an electric motor is defective is 0.01. what is the probability that a
On the basis of these results, do you think retailers and consumers have a right to complain to the manufacturers? Why?
Prove that each of the following sets is countable: The set of all numbers with two distinct decimal expansions (like 0.500... and 0.4999...);
Is there a significant difference between the scores between the Republicans and the Democrats?
compute a 99 confidence interval for the population mean based on the sample 52 50 51 54 55 52 and
Think about a real world situation or problem that could be addressed using a single-sample t test. For this situation or problem, clearly identify the independent and dependent variables you would study
air flows through a converging adiabatic duct with no loss. the temperature at the inlet is 400 k. at the outlet the
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