Given following Z-values (test stats) and critical values, what is the decision of the null hypothesis (two-sided test)? Critical value: At 1% significance level: 2.58 At 5% significance level: 1.96 At 10% significance level: 1.645 1. Z stats equals to 1.57 (test at 10% significance level) 2. Z stat equals to 1.82  (test at  5% significance level) 3. Z stat equals to 2.65 (test at 1% significance level)

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Given following Z-values (test stats) and critical values, what is the decision of the null hypothesis (two-sided test)? Critical value: At 1% significance level: 2.58 At 5% significance level: 1.96 At 10% significance level: 1.645

1. Z stats equals to 1.57 (test at 10% significance level)

2. Z stat equals to 1.82  (test at  5% significance level)

3. Z stat equals to 2.65 (test at 1% significance level)

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