Set up the null and alternative hypothesis

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Reference no: EM132844062

The time to failure in hours of an electronic component subjected to an accelerated life test is shown in the following table. To accelerate the failure test, the units were tested at an elevated temperature (read down, then across).

Electronic

Component

Failure

Time

127

124

121

118

125

123

136

131

131

120

140

125

124

119

137

133

129

128

125

141

121

133

124

125

142

137

128

140

151

124

129

131

160

142

130

129

125

123

122

126

Suppose you want to test whether the failure time is equal to 135. Given the significance level set at 5%, do the following to conduct a t-test.

(a) Set up the null and alternative hypothesis (two-tailed).

(b) Calculate the test statistic.

(c) Compare the test statistic to a critical value at the 5% significance level and determine if the null hypothesis should be rejected.

(d) Discuss your results using non-technical language.

Reference no: EM132844062

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