Mathematics, 21.01.2021 21:50 anthonysquadjohnson
You have obtained the number of years of education from one random sample of 45 police officers from City A and the number of years of education from a second random sample of 40 police officers from City B. The average years of education for the sample from City A is 15 years with a standard deviation of 2 years. The average years of education for the sample from City B is 14 years with a standard deviation of 2.1 years. Is there a statistically significant difference between the education levels of police officers in City A and City B
Answers: 1
Mathematics, 21.06.2019 17:30, chaparro0512
Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10
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Mathematics, 21.06.2019 19:30, kayla232734
When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?
Answers: 2
You have obtained the number of years of education from one random sample of 45 police officers from...
Mathematics, 11.03.2020 05:28