Which phrase accurately describes this rock?
2 answers:
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Solution :
a). Let x denotes ACT scores.
ACT scores =
Mean,
Sample variance,
= 11
b). To test whether or not variance of ACT scores of population (say ) of the UTC students is significantly more than 8.
Consider the hypothesis :
vs
It is a right tailed test and α = 0.05
We have
So test statics is
= 8.25
Since our and it falls in a acceptation region, hence we fail to reject
and conclude that variance is not greater than 8 significantly.
Answer:
latitude is the horizontal line of the sphere longitude is the vertical line, use the numbers in the outskirt of the earth to pinpoint the location using ruler
Explanation:
I can only guide you sorry
