The following information is obtained from two independent samples selected from two normally distributed populations. n1 = 18 x1 = 7.82 σ1 = 2.35
n2 =15 x2 =5.99 σ2 =3.17

test at a 5% significance level if the two populations means are different

Step 1 of 2 : find the two-period moving average for year 2008. if necessary, round to one more decimal place than the largest number of decimal places given in the data.yeardeaths200017133200117382200215001200311312200415261200513367200614693200716731200813735

Of the 168 hours in a week as a full time student you should spend how many hours per week on school work?

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