SOLUTION: A company that makes cola drinks states that the mean weight of a 12 ounce is the same in both diet cola and regular cola. Five regular cans were sampled with a mean weight of 0.8

Question 1086584: A company that makes cola drinks states that the mean weight of a 12 ounce is the same in both diet cola and regular cola. Five regular cans were sampled with a mean weight of 0.82 and a standard deviation of 0.04. Four cans of diet cola were sampled with a weight of 0.78 and a standard deviation of 0.01. Use 0.05 level of significance to test the claim
Answer by Edwin McCravy(20055) (Show Source): You can put this solution on YOUR website!





On your TI-83 or 84 graphing calculator,

1. Press STAT and move cursor to TESTS
2. Press 4 for 2-SampTTest. (T because sample sizes are small)
3. Move cursor to Stats if not highlighted and press ENTER
4. Type in the given values.
6. Highlight 
5. Highlight "No" for "pooled" 
6. Highlight Calculate
7. Press ENTER

read p = .088490361

Since the value of p is high (greater than the level of
significance, then we fail to reject H0.

Remember the poem:

If p is HIGH, H0 must FLY.  (We do not reject H0)
If p is LOW, H0 must GO.    (We reject H0)

Edwin

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