In a completely randomized experimental design involving four treatments, 20 observations were recorded for each of the four treatments. The following information is provided: sstr = 154 and sst = 342. What does the sum of squares within treatments (sse) equal?.

Alaser tag arena sells two types of memberships. one package costs $325 for one year of membership with an unlimited number of visits. the second package has $125 enrollment fee, includes five free visits, and costs and additional $8 per visit after the first five. how many visits would a person need to use for each type of membership to cost the same amount over a one-year period?

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The personal identification number that students need to apply for federal student aid