Type the correct answer in the box. Spell all words correctly. Σ(x-x)
In the formula used to calculate standard deviation,
(n-1)
, what does X stand for?
In the formula =3)
(n-1)
, which is used to calculate standard deviation, X stands for
value.

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?