Graphing &Calculation; Questions Please circle your final answers and include un
ID: 3358935 • Letter: G
Question
Graphing &Calculation; Questions Please circle your final answers and include units where appropriate, and show your work or calculator function/input for partial credit. Part IIl. 1. Find the critical value-f that corresponds to a 98% confidence interval. Round your answer to 2 places. (4 pts) 2. Find the critical value , for a 99% confidence interval if the sample size is 35. Round your answer to 3 places. 4 pts) and , for a 95% confidence interval where n-61, Round your answer to 3 places. (6 pts) 3. Find the critical valuesExplanation / Answer
1.
Critical Value
The Value of Z at 0.02 LOS is +2.3263 and -2.3263
Use excel formula, ROUND(NORMINV(1-0.02/2,0,1),4)
2.
Critical Value
The Value of t at 0.01 LOS with n-1 =34 is +2.7284 and -2.7284
Use excel formula ROUND(TINV(0.01,35-1),4)
3.
Chisquare is left tailed distribution,
we only conisder left tail value
Critical Value
The Value of t at 0.05 LOS with n-1 =60 is +79.081944
CHIINV(0.05,60-1)
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