A Team of Researchers Conducted a Single-Sample T Test and Found

question 67

Multiple Choice

A team of researchers conducted a single-sample t test and found that the 95 percent confidence interval around their sample mean includes the value of the population mean.Based on this, they should conclude that:

• A) the null hypothesis should be rejected.
• B) their data are insufficient to assess the validity of the null hypothesis.
• C) they failed to find a significant difference between the sample and population means.
• D) the research hypothesis is supported.

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