Answer:
23+2x
Step-by-step explanation:
X + 1, x-2, x+3
Can you mark brainliest please
Step-by-step explanation:
you didn't post the questions yk?!
Answer: 3.49
Step-by-step explanation:
When standard deviation is known then the test statistic for difference of two population means (independent population) is given by :-
Given :
Then , the value of the test statistic will be :-
Hence, the value of the test statistic = 3.49