Mathematics, 19.12.2019 02:31, jujurae03
Amusic industry professional claims that the average amount of money that an average teenager spends per month on music is at least $50. based upon previous research, the population standard deviation is estimated to be $12.42. the music professional surveys 20 students and finds that the mean spending is $47.77. is there evidence that the average amount spent by students is less than $50 at a significance level of 0.10?
Answers: 1
Mathematics, 21.06.2019 21:30, elicollierec
What does independent variable and dependent variable mean in math?
Answers: 2
Mathematics, 21.06.2019 22:30, ashleywoo21361
Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2
Answers: 1
Amusic industry professional claims that the average amount of money that an average teenager spends...
Mathematics, 03.02.2020 04:03
Mathematics, 03.02.2020 04:03
Biology, 03.02.2020 04:03
English, 03.02.2020 04:03
Mathematics, 03.02.2020 04:03
Mathematics, 03.02.2020 04:03