A researcher classified 950 school students according to intelligence and family economic level. A condensed classification is given in the following table. Classes Dull Intelligent Very Capable
Very Well Clothed 61 103 66
Well Clothed 128 285 177
Poorly Clothed 36 52 42

Test the hypothesis that there is no association between the two criteria of classification (i. e. intelligence and family economic level) at the 1 percent level of significance.

If a seller prepaid the taxes of $4,400 and the closing is set for may 19, using the 12 month/30 day method what will the buyer owe the seller as prorated taxes?

Bcorporation, a merchandising company, reported the following results for october: sales $ 490,000 cost of goods sold (all variable) $ 169,700 total variable selling expense $ 24,200 total fixed selling expense $ 21,700 total variable administrative expense $ 13,200 total fixed administrative expense $ 33,600 the contribution margin for october is:

The smelting department of kiner company has the following production and cost data for november. production: beginning work in process 3,700 units that are 100% complete as to materials and 23% complete as to conversion costs; units transferred out 10,500 units; and ending work in process 8,100 units that are 100% complete as to materials and 41% complete as to conversion costs. compute the equivalent units of production for (a) materials and (b) conversion costs for the month of november.