Mathematics, 16.11.2019 05:31 meganwintergirl
Asample of 50 students was taken from the local university. these students spent an average of $170 on books this semester, with a standard deviation of $25.50. which of the following could you say with 95% confidence was the average spent on books by these 50 students? a. $170 plus or minus $3.46 b. $170 plus or minus $5.95 c. $170 plus or minus $8.42 d. none of these is correct.
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Asample of 50 students was taken from the local university. these students spent an average of $170...
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