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A counselor is interested in determining if there is a relationship between children's scores on the racial attitude and preference test and their scores on the racial socialization test. She sampled a group of 10 children yielding the following results:
Racial Attitude and Preference Test Scores (X)
8 7 9 5 10 2 5 7 6 12
Racial Socialization Test Scores (Y)
2 3 1 10 0 12 9 7 8 1
Calculate and interpret the slope, y intercept, regression equation, regression coefficient, and coefficient of determination.
Find out the suitable critical value(s) for this situation given a 0.05 significance level. Find out/compute the value of sample test statistic.
The test statistic for a two-sided significance test for a population mean is z = -2.12. What is the corresponding P -value?
At the 1% significance level, can it be concluded that the current distribution of responses differs from that of a year ago ?? Formulate and test the appropriate hypotheses. Use the critical value approach.
Find the critical value z that corresponds to the given confidence level of 90%.
At the .01 significance level, is there a relationship between job pressure and age?
How many treatments are there? What is the total sample size? Is there a significant difference at the 5% Level of significance? Would I accept or reject the null Hypothesis.
The correlation between hours spent in the course and exam grades is .8. what percent f variation in exam grades can be explained by hours spent in the course?
Construct a 95% confidence interval for the proportion of all those who experience some type of discomfort.
Compute the probability for the given frequency distribution.
It is known that 60 percent of all registered voters in the 42nd congressional District are Republicans. There registered voters are selected at random from the district. Compute the probability that exactly 2 of the 3 selected are Republicans, u..
What is the optimal strategy for producing 500 tons of newsprint pulp, 600 tons of packaging pulp, and 300 tons of print stock quality pulp at minimum cost?
However, due to the variability in the traffic situation every morning, the standard deviation of these commutes is 5 minutes. Jenn has to be at work by 8:30 A.M. every morning.
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