Mathematics, 12.12.2019 06:31 icantspeakengles
"it is hypothesized that the total sales of a corporation should vary more in an industry with active price competition than in one with duopoly and tacit collusion. in a study of the merchant ship production industry it was found that in 4 years of active price competition, the variance of company a’s total sales was 114.09. in the following 7 years, during which there was duopoly and tacit collusion, this variance was 16.08. assume that the data can be regarded as independent random sample from two normal distributions. test at the 5% level the null hypothesis that the two population variances are equal against the alternative that the variance of total sales is higher in years of active price competition."
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Mathematics, 21.06.2019 15:30
Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?
Answers: 1
Mathematics, 21.06.2019 16:00
Which is the graph of the piecewise function f(x)? f(x)=[tex]f(x) = \left \{ {{-x+1, x\leq 0 } \atop {x+1, x\ \textgreater \ 0}} \right.[/tex]
Answers: 3
"it is hypothesized that the total sales of a corporation should vary more in an industry with activ...
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