View stunning SlideShares in full-screen with the new iOS app!Introducing SlideShare for AndroidExplore all your favorite topics in the SlideShare appGet the SlideShare app to Save for Later — even offline
View stunning SlideShares in full-screen with the new Android app!View stunning SlideShares in full-screen with the new iOS app!
= 1 ( Calculated value) Given: Tabulated value is 3.814 Since calculated value is less than tabulated value, accept the null hypotheses. Thus, we can conclude that the population is evenly distributed.
Test whether income and type of school are independent. 77.78 INCOME PUBLIC SCHOOLS GOVT SCHOOLS LOW 494 506 HIGH 162 438
Observation Observed value Expected value Chi Square Row 1 P 494 Row 1 G 506 Row 2 P 162 Row 2 G 438
A chemical plant processes sea water to collect sodium chloride and magnesium. From scientific analysis, sea water is know to contain sodium chloride, magnesium and other elements in the ratio of 62:4:34. A sample of 200 tons of sea water resulted in 130 tons of sodium chloride and 6 tons of magnesium. Is this data consistent with the significance level of 5%? 16.246 SALTS OBSERVED EXPECTED SODIUM 130 124 MAGNESIUM 6 8 OTHERS 64 68
A group of 150 college students were asked to indicate their most liked film star from a list of 6 stars A, B, C, D, E and F. Observed frequencies was as follows. Test at 5% whether all actors are equally popular.
4 Actors A B C D E F Total Freq 24 20 32 25 28 21 150