X is 80
y is 100
z is 63
let me know if you dont understand how to get them, i will gladly explain how step by step
Answer:
1.4
Step-by-step explanation:
use distance formula
Answer: 15.08
Step-by-step explanation:
The test statistic for difference between two population means is given by :-
Given : State A State B
Sample size 80 50
Mean interest rate (%) 4.0 4.5
Population variance 0.04 0.03
Then , the test statistic for difference between two population means will be :-
Hence, the value of the test statistic will be 15.08 .
5^3 (five to the third power) and 5x5x5