Mathematics, 05.12.2019 03:31 alexseyreyes
The toylot company makes an electric train with a motor that it claims will draw an average of only 0.8 ampere (a) under a normal load. a sample of nine motors was tested, and it was found that the mean current was x = 1.32 a, with a sample standard deviation of s = 0.44 a.
do the data indicate that the toylot claim of 0.8 a is too low? (use a 1% level of significance.)
Answers: 2
Mathematics, 21.06.2019 18:00
Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need
Answers: 2
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