faithiemusic7780 faithiemusic7780

16-12-2022
Mathematics

Answered

a random sample of 20 items is selected from a population. to determine the appropriate critical t-value what number of degrees of freedom should be used? a. 20 b. 19 c. 21 d. 25

Answer :

Other Questions

deciding on the number of observations to include in a sample to estimate a population mean is an important decision when planning a research study. what inform

a sample of 57 homes in macedonia, ohio had a mean value of $123,147 and a standard deviation of $10,015. what is the standard error of the mean in this example

we use the t-distribution to calculate a confidence interval for the population mean u. if we increase the sample size form 10 to 20, the interval would become

for the following sample of scores: 10, 45, 46, 47, 32, 16, 19, 25,52, 16, 41 a. find the mean, median, and mode. b. if a new individual with a score of x

Let Y 1 ,Y 2 ,Y 3 ,Y 4 be the order tatitic of a U(0,θ) random ample X 1 ,X 2 ,X 3 ,X 4 . (a) Find the joint pdf of (V 1 ,V 2 ,V 3 ) , wher

Select the correct answer from each drop-down menu. ed is managing a construction project. the function y = 0.75x represents the percentage of work done in term

If the line of best fit is y = 1.18x 5.4, what is the residual value for the coordinate (5, 12)? 0.3 −0.3 0.7 −0.7

Jerome added two number. The um wa 83 one of the number are 45 what i the other number

collin is building a deck on the back of his house. he has enough lumber for the deck to be 144 square feet. the length shpuld be 10 feet more than its width. w

the accompanying table, where x represents the number of years since 1998, and y represents number of new cases. Write the linear regression equation that repre