Degrees of freedom for between groups

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Reference no: EM133032953

Carol is curious as to whether Australia has the same average petrol prices to New Zealand and Indonesia. Test this at the 5% level of significance. Use worksheet H of the data file to answer this question.

You can use exel to answer the question.

Aust

NZ

Ind

148

149

140

137

148

127

139

142

122

133

130

128

148

141

138

141

138

127

147

136

135

142

142

130

142

147

131

147

135

128

147

142

128

a) The null hypothesis to be tested is?

b) The degrees of freedom for between groups is?

c) The sample mean value for Australia is?

d) The decision rule for a 5% test is?

e) The p-value for this test is?

f) The calculated test statistic is?

g) The conclusion for this hypothesis test is?

Reference no: EM133032953

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