When a researcher needs to compare means for a variable grouped into two
categories based on some less-than interval variable, a t-test is appropriate.
To add, The analysis of two populations means through the use of
statistical examination is called a t-test. Small sample sizes commonly
use a t-test with two
samples. <span> What statisticians call as test statistics are
identified as t-values. A systematized value that is calculated from sample
data during a hypothesis test is called a test statistic. The procedure that
calculates the test statistic compares your data to what is expected under the </span>null
hypothesis<span>.
You already have an experience with the basic principles behind a t-test if you’ve
tried to communicated with a distracted teenager.</span>
Answer:
Yes, it is B
Step-by-step explanation:
Plug in 4 and 3 into the equations
2(4) - 3(3) = -1
8 - 9 = -1
-1 = -1
4 = 3 + 1
4 = 4
Y=-14 first subtract 3y to get -7=2y+21then subtract 21 to get -28=2y then divide 2
Answer:
3x+9
Step-by-step explanation:
