M1 = 20 , M2 = 15 , So ( M1-M2 ) = 20-15 = 5
Confidence interval is given by ,
Lower bound =
= 5 - (2.145*1.34)
Lower bound = 2.1257
Upper bound =
= 5 + (2.145*1.34)
Upper bound = 7.8743
Answer : C . UL : 7.87 ; LL : 2.13
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I ONLY NEED HELP WITH PART OF PART "B"
I've figured out the test statistic is -1.73 and the degrees of
freedom are 5. However, I'm having a hard time finding the P value
via the chart (which I'm required to learn how to do).I think the
chart immediately bellow this is the one used to find the p-value.
However, I know at least one (or more) of the charts bellow is
what's used. Please let me know which chart...
I ONLY NEED HELP WITH PART OF PART "B"
I've figured out the test statistic is -1.73 and the degrees of
freedom are 5. However, I'm having a hard time finding the P value
via the chart (which I'm required to learn how to do).I think the
chart immediately bellow this is the one used to find the p-value.
However, I know at least one (or more) of the charts bellow is
what's used. Please let me know which chart...