NSS220 MWF 10AM Fa 2017 Test: Final Exam me Remaining 00:26 41 Sb This Question:

Question

NSS220 MWF 10AM Fa 2017 Test: Final Exam me Remaining 00:26 41 Sb This Question: 10 pts 4 | 150120 (18 complete) This Test: 98 pts possit Consider the partially completed one-way ANOVA summary table below a) Complete the remaining entries in the table b) How many population means are being tested? c) Using 0 05, what conclusions can be made concerning the population means? s of Freedom Mean Surm of Between Within Total 75 91 29 click the icon to view a table of critical F-scores for :0.05 a) Complete the ANOVA table below. Sum of Degrees of Mean Sum of Source Squares Freedom Squares Between Within Total 75 91 29 (lype integers or decimals. Round to three decimal places as needed) b) There are population means being tested c) What are the hypotheses for this test? O A. Ho Al the means are equal. Click to select your answers) Ho Not all the means are equal H.: All the means are equal O B. H.: None of the means are eaual 00 PM 0 Type here to search

Explanation / Answer

SS (Between) = 91 - 75 = 16

DF (Within) = 29 - 4 = 25

Mean square (Between) = 16/4 = 4

Mean sqaure (Within) = 75/25 = 3

F = 4/3 = 1.333

Hence,

The complete ANOVA table will be:

b) Number of population means being tested = 4 + 1 = 5

c) Hypotheses: Option C is correct.

Critical F - score = 2.759

Less; do not reject; all the population means are equal

Source Sum of Squares Degrees of Freedom Mean Square F Between 16 4 4 1.333 Within 75 25 3 Total 91 29

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