Since he deposited 160 then took out 160 it did not change
4/6=0,66=66% i think this is right?
start by writing the multiplication in this form
start multiplying from right to left.
write the first number down
continue by multiplying the next number from right to left
write the number down, since there are no more numbers to multiply for write the wole number
this means that
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>
I wrote some notes please read and if you not sure contact me
