b is an <span> irrational number between 9 and 10</span>
x*4-16x*4-16
4x-64x-16
-60x-16
Answer:
The statistic for this system of hypothesis is given by:
If the statistic is equal to 1 then that means
and we don't have enough evidence to conclude that the two population variances and deviations are different.
Step-by-step explanation:
System of hypothesis
We want to test if the variation for a group1 is equal to another one 2, so the system of hypothesis are:
H0:
H1:
Calculate the statistic
The statistic for this system of hypothesis is given by:
If the statistic is equal to 1 then that means
and we don't have enough evidence to conclude that the two population variances and deviations are different.
Answer:
9
Step-by-step explanation:
3 necklaces were sold and they have got 45 revenue