Ststistical Methods

If the sample size is less than or equal to ___ then we call it small samples .

• 40

• 30

• 35

• 32

2.To test the significance for small samples we use ____ test.

• z

• f

• t

• Anova

The observed value t(-1.488) is less than the table value of t(2.268) .we accept the _____ hypothesis.

• Alternative

• null

If n= 20.Find the value for degree of freedom?

• 21

• 18

• 19

which test is one of the simplest and most widely used tests for significance of the difference between the observed frequencies and the expected frequencies?

• x²

• Anova

• T test

The symbol x² is the ___ letter.

• greek

• chinese

• japanese

Which test is useful to test the goodness of fit?

• t

• z

• f

• x²

_____test is also called as Variance Ratio Test.

• f

• t

• z

• x²

Which test is based on the ratio of two variances.

• z

• t

• f

• x²

Expand ANOVA?

• Analysis of Varia

• Analysis of Vary

• Analysis of Variance