You are hired by Mattel in the quality control department of their sports toy di

Question

You are hired by Mattel in the quality control department of their sports toy division. You are given a random sample of 10 balls. The balls are advertised as having a diameter of 1 meter. The sample of 10 balls has a mean diameter of 1.008 meters. You have run a t test and determined that the difference of means test statistic is 1.95. If your critical value is 2.262, what would you conclude? You would fail to reject the null hypothesis; the balls in your sample are not significantly larger than 1 meter. You would reject the null hypothesis; the balls in your sample are significantly larger than 1 meter. You would reject the null hypothesis; the balls in your sample are not significantly larger than 1 meter. You would reject the null hypothesis; the balls in your sample are significantly larger than 1 meter.

Explanation / Answer

Since Test statistic is less than critical value, we failed to reject the null hypothesis that conclude that there is not sufficient evidence that balls diameter is significantly larger than 1 meter.

Correct option is A

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