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A researcher collected data from male and female Caucasian, African American, and Hispanic graduate students using quantitative measures of extraversion, academic self-efficacy, dissertation anxiety, and math anxiety, each on a scale of 0 to 100 with higher scores indicating more of the specific latent attribute (e.g., more anxiety). Each participant was also asked if they intended to conduct a qualitative or quantitative dissertation study and how many months they estimated it would take to complete the dissertation.
1. What is an independent variable?
A. FemaleB. SexC. Caucasian D. Latent Attribute
2. What is a dependent variable
A. MaleB. Ethnicity C. Academic self-efficacy D. Sex
Describe what process you would go through to determine student's GPA in your school using a stratified sample.
Take a unit cube in three dimensions. Cut the cube by a plane perpendicular to the line from its corners (0, 0, 0) and 1, 1, 1).
Conduct a test for equality of means using α = 0.05 and provide a 95% confidence interval for the average savings per beer for a visitor versus the amount paid at home in London.
For each of the sets of scores given in Problems 5b and 5c, show that ΣX2 ≠ (ΣX)2.- Given the scores X1 = 3, X2 = 4, X3 = 7 and X4 = 12. find the values of the following expressions.
What quantity would you use for the lower limit of the initial class? Using your responses to parts (a), (b), and (c), create a frequency distribution. Identify the appearance of the frequency distribution.
a study of the influence of corrosion inhibitor on the failure of aluminum-wired twist-on connections the data obtained
You may assume the interest rate is r = 0 so that present value calculations are unnecessary.
Two pairs is a poker hand containing 2 cards of one denomination, another 2 cards of a second denomination, and a fifth cards of a third dimension. Find the probability of a player being dealt two pairs.
Credit card companies are increasing their revenues by raising the late fees charged to their customers. According to a study by cardweb.com.
The following data show samples of three chain stores in three different locations in one town and the amount of dollars spent per customer per visit. At the 0.05 level, is there a difference in among the means?
At the New York State Fair in Syracuse, Larry encounters a carnival game where for one dollar he may buy a single coupon allowing him to play a guessing game.
Find the z-score for each student. Assuming both tests measure the same kind of ability, which student had the higher score?
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