Question

20.
Water Temp.
Detergent A Detergent B
Detergent C
Cold water
57
55
67
Warm water
49
52
68
Hot water
54
46
58
Perform two way analysis of variance, using 5%
level of significance (Given 5% = 6.94).

Answer 1

Introduction•R A Fisher who introduced the term‘Variance’ in the analysis of Statisticaldata.•Fisher developed an elaborate techniqueof analysing the variances of two or moreseries for the purpose of studying theircharacteristic.•Variance gives idea about the variability ofthe values of various items from the meanof the series.

F -TestF test which is used to have an idea aboutthe unbiased estimates of the populationvariances when sample studies have beenmade from them.F = { S12/ S22}

also.

Answer 2

Answer:

Step-by-step explanation: