What is the formula for the length of a numeric interval? O a. Upper limit + Lower limit Ob. Lower limit + Upper limit Lower limit- Upper limit O d. Upper limit - Lower limit What is the t critical value when the sample size is 12 and C = 90% O a. 1.782 Ob. 1.771 1.796 d. 1.812 What is the t critical value when df = 21 and C = 99%?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Answer the 3 of them thank u so much
What is the formula for the length of a numeric interval?
a.
Upper limit + Lower limit
Ob.
Lower limit + Upper limit
O c. Lower limit - Upper limit
O d. Upper limit - Lower limit
What is the t critical value when the sample size is 12 and C = 90%
O a. 1.782
Ob.
1.771
1.796
O d.
1.812
What is the t critical value when df = 21 ar
: = 99%?
2.845
Ob.
2.831
c.
2.819
d.
2.199
Transcribed Image Text:What is the formula for the length of a numeric interval? a. Upper limit + Lower limit Ob. Lower limit + Upper limit O c. Lower limit - Upper limit O d. Upper limit - Lower limit What is the t critical value when the sample size is 12 and C = 90% O a. 1.782 Ob. 1.771 1.796 O d. 1.812 What is the t critical value when df = 21 ar : = 99%? 2.845 Ob. 2.831 c. 2.819 d. 2.199
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