Assume That the Following Confidence Interval for the Difference in the Mean

question 34

Multiple Choice

Assume that the following confidence interval for the difference in the mean length of male (sample 1) and female babies (sample 2) at birth was constructed using independent simple random samples. $- 0.2 \mathrm { in } < \mu _ { 1 } - \mu _ { 2 } < 2.7 \mathrm { in }$ . What does the confidence interval suggest about the difference in length between male babies and female babies?

• A) Male babies are longer.
• B) Female babies are longer.
• C) There is no difference in the length between male and female babies.

---

Definitions:

High Inflation

A situation of rapidly increasing prices in an economy, reducing purchasing power over time.

High Unemployment

refers to a situation where a substantially higher percentage of the workforce is not engaged in employment, suggesting economic distress.

Inflation

The swell in the general price range for goods and services, shrinking the buying power of consumers.

Deflation

A decrease in the general price level of goods and services, often accompanied by a reduction in the money supply and credit.