Answer:
always 1
Step-by-step explanation:
Answer:
Step-by-step explanation:
If we had 2 independent samples with population variances unknown and equal and we want to compare the population mean between the both groups, the test statistic will be:
Where 
So, the t-student has degrees of freedom
Where 
and 
are the means of the groups, 
and 
are the size of the samples and 
and 
are the sample variances.
From 11 A.M. to 2 P.M. because that is when the line is constantly straight
Answer:
A
Step-by-step explanation:
A translation is the same shape (cloned)
Answer:
Step-by-step explanation:
actually problem should be real numbers.
let x and x+1 be the numbers.
x+x+1=54
2x=53
x=53/2=26.5
x+1=27.5
