On average is the younger sibling's IQ different from the older sibling's IQ? Ten sibling pairs were given IQ tests. The data are shown below. Younger Sibling 91 104 98 102 101 91 103 102 101 73 Older Sibling 97 111 115 118 109 94 108 102 102 68 Assume a Normal distribution.  What can be concluded at the the αα = 0.01 level of significance? For this study, Find  The t- test statistic(please show your answer to 3 decimal places.)

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On average is the younger sibling's IQ different from the older sibling's IQ? Ten sibling pairs were given IQ tests. The data are shown below.

Younger Sibling 91 104 98 102 101 91 103 102 101 73
Older Sibling 97 111 115 118 109 94 108 102 102 68

Assume a Normal distribution.  What can be concluded at the the αα = 0.01 level of significance?

For this study, Find 

  1. The t- test statistic(please show your answer to 3 decimal places.)
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