SAMPLING DISTRIBUTION OF THE SAMPLE MEAN OF WEIGHT OF FAMILY MEMBERS Direction: Do the indicated tasks. 1. A certain family of 5 members measure their weight in kilogram. The results were 69 kg, 50 kg, 55 kg, 65 kg, and 71 kg respectively. 2. Use the data in number 1 to find the mean and variance of the sampling distribution of the sample means, if the sample size is 2.
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• Problem:
Anna went running a distance of 180m in 30s. What is Anna's average speed?
• Given:
\begin{gathered} \tt distance = 180 \: m \\ \tt time = 30s \\ \tt speed = \: ?\end{gathered}
distance=180m
time=30s
speed=?
• Formula:
\tt speed = distance \div timespeed=distance÷time
• Solution:
\begin{gathered} \tt speed = distance \div time \\ \tt speed = 180 \: m\div 30 \: s \\ \tt speed = 60 \: m/s\end{gathered}
speed=distance÷time
speed=180m÷30s
speed=60m/s
• Answer:
✓The average speed of Anna is sixty meters per second.
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