In: Math
Suppose the average female brain size (in cubic centimeters) is estimated to be 3370cubic centimeters. A 1905 study by R.J. Gladstone measured the brain size of 103randomly selected deceased female subjects. The data provided show the brain sizes of each of the subjects.
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Excel:
Size..cm.3. |
2857 |
3436 |
3791 |
3302 |
3104 |
3171 |
3572 |
3530 |
3175 |
3438 |
3903 |
3899 |
3401 |
3267 |
3451 |
3090 |
3413 |
3323 |
3680 |
3439 |
3853 |
3156 |
3279 |
3707 |
4006 |
3269 |
3071 |
3779 |
3548 |
3292 |
3497 |
3082 |
3248 |
3358 |
3803 |
3566 |
3145 |
3503 |
3571 |
3724 |
3615 |
3203 |
3609 |
3561 |
3979 |
3533 |
3689 |
3158 |
4005 |
3181 |
3479 |
3642 |
3632 |
3069 |
3394 |
3703 |
3165 |
3354 |
3000 |
3687 |
3556 |
2773 |
3058 |
3344 |
3493 |
3297 |
3360 |
3228 |
3277 |
3851 |
3067 |
3692 |
3402 |
3995 |
3318 |
2720 |
2937 |
3580 |
2939 |
2989 |
3586 |
3156 |
3246 |
3170 |
3268 |
3389 |
3381 |
2864 |
3740 |
3479 |
3647 |
3716 |
3284 |
4204 |
3735 |
3218 |
3685 |
3704 |
3214 |
3394 |
3233 |
3352 |
3391 Conduct a t‑test at the α=0.05 level to test his claim. What are the t‑statistic and P-value for this test? Please round your answers to the nearest three decimal places. t = ? P = ? |