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To be able to conduct a t-test it is important:
That the independent- as well as the dependent variable is measured on a nominal or ordinal scale.
That the independent variable is measured on an interval- or ratio scale and the dependent variable is measured on a nominal- or ordinal scale.
That the independent- as well as the dependent variable is measured on an interval- or ratio scale.
That the dependent variable is measured on an interval- or ratio scale and the independent variable is measured on a nominal- or ordinal scale.
Describe expected value (EV) of an investment if there is a 20% chance of realizing a return of $20,000 or a 55% chance of realizing a return of $25,000, or there could be a loss of $15,000?
Josh makes three word-processing errors per page on the first draft of his reports for work. What is the probability that on the next page he will make
What is the possible uses of regression and correlation analysis in doctoral-level research? Would I be able to use these techniques in my dissertation, or any application in other areas?
1. a researcher examines the records of all registered voters in one city and finds that 43 are registered democrats.
Calculate the value of a Rs. 5,000 (par value) bond paying interest at an annual coupon interest rate of 10% with 10 years maturity.
suppose the joint pdf of lifetimes of a certain part and a spare is given byfx y e?xy 0 lt x lt ? 0 lt y lt ?and zero
What is the opportunity loss of spending 4 hours per week on average studying for the exam when the exam turns out to be easy?
in a timecnn survey 24 of 505 single women said that they definitely want to get married. in the same survey 27 of 260
A statistics professor planed her classes so carefully that the lengths of her classes are uniformly distributed between 45 and 55 minutes. Find the probability that a given class period runs greater than 50.25 minutes.
Consequently, the consultants decide to test the null hypothesis ? ? 0 H : 33.7 . What is the value of the test statistic for testing this null hypothesis?
A sample of size 9 is drawn at random from a Normal distribution. The experiment has a null hypothesis of μ = 0 and an alternate hypothesis of μ > 0. The mean of the sample is 7 with an s of 8. Is there a difference at the 1% level?
the mean of a normally distributed group of weekly incomes of a large group of executives is 1000 and the standard
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