You and your two friends paid the following amounts for a new MP3 player: $165, $210, and $225. A. What is the mean and standard deviation of the population of you and your friends? Mean (round to the nearest penny) Units Required: � = Standard Deviation (round to the penny) Units Required: � = B. Complete the table using the sample size of two prices, with replacement. �1,�2 Σ� 165, 165 330 165 165, 210 375 187.5 165, 225 390 195 210, 165 375 210, 210 420 210, 225 225, 165 225, 210 225, 225 C. Complete the Probability Distribution = #/# 165 187.5 195 210 217.5 225 D. What is the mean and standard deviation of the probability distribution in part C? Mean (round to the nearest penny) Units Required: = Standard Deviation (round to the penny) Units Required: = E. What is the relationship of the standard deviations in parts A and D? = 25.49509757/
You and your two friends paid the following amounts for a new MP3 player: $165, $210, and $225.
A. What is the
Mean (round to the nearest penny) Units Required: � =
Standard Deviation (round to the penny) Units Required: � =
B. Complete the table using the
�1,�2 | Σ� | |
165, 165 | 330 | 165 |
165, 210 | 375 | 187.5 |
165, 225 | 390 | 195 |
210, 165 | 375 | |
210, 210 | 420 | |
210, 225 | ||
225, 165 | ||
225, 210 | ||
225, 225 |
C. Complete the Probability Distribution
= #/# | |
165 | |
187.5 | |
195 | |
210 | |
217.5 | |
225 |
D. What is the mean and standard deviation of the probability distribution in part C?
Mean (round to the nearest penny) Units Required: =
Standard Deviation (round to the penny) Units Required: =
E. What is the relationship of the standard deviations in parts A and D?
= 25.49509757/
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