Hi I'm new wanna be my friend =D!!!!!!!!!!!!!
<span>Null Hypothesis:µ equals 2.5Alternative Hypothesis:
µ not equal to 2.5
Z Test
Test Statistic, Ztest: -18.1912
Critical Zcritical: ±1.9607
P-Value: 0,0000
As Ztest is not within the limits of Zcritical we can reject the null hypothesis
95% Confidence interval:
2.495746 < µ < 2.496574</span>
Answer:
a
Step-by-step explanation:
3,4,6,3,2,5,6,1,12,8,3,2 calculate the mean
Bas_tet [7]
The mean is the average.
Add all the numbers together than divide by the amount of numbers there are:
3 + 4 + 6 +3 + 2 + 5 + 6 + 1 + 12 + 8 + 3 + 2 = 55
there are 12 numbers.
Mean = 55 / 12 = 4.583
Round the answer as needed.
