Question

Student ID | Last night's hours of sleep 163708 | 185195 | 5 253586 | 38474 | 8.5 250835 | 247254 | 2 259883 | 6 252801 | 7 254976 | 7 284343 | 5 284446 | 5 261602 | 0 Create a discrete variable by using the following arbitrary intervals: X < 3, 3 ? X < 6, 6 ? X < 9, X ? 9 (a) Estimate the probability distribution for X (b) Calculate the estimated mean and variance for X

          Student ID | Last night's hours of sleep
163708 |
185195 | 5
253586 |
38474 | 8.5
250835 |
247254 | 2
259883 | 6
252801 | 7
254976 | 7
284343 | 5
284446 | 5
261602 | 0

Create a discrete variable by using the following arbitrary intervals:
X < 3, 3 ? X < 6, 6 ? X < 9, X ? 9
(a) Estimate the probability distribution for X
(b) Calculate the estimated mean and variance for X

Student ID | Last night's hours of sleep
163708 |
185195 | 5
253586 |
38474 | 8.5
250835 |
247254 | 2
259883 | 6
252801 | 7
254976 | 7
284343 | 5
284446 | 5
261602 | 0

Create a discrete variable by using the following arbitrary intervals:
X < 3, 3 ? X < 6, 6 ? X < 9, X ? 9
(a) Estimate the probability distribution for X
(b) Calculate the estimated mean and variance for X

Added by Elizabeth M.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Rachel Gore

02/23/2024

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Student ID, Last night's hours of sleep: 163708, 185195 (5), 253586, 38474 (8.5), 250835, 247254 (2), 259883 (6), 252801 (7), 254976 (7), 284343 (5), 284446 (5), 261602 (0) Create a discrete variable by using the following arbitrary intervals: X < 3, 3 ≤ X < 6, 6 ≤ X < 9, X ≥ 9 (a) Estimate the probability distribution for X (b) Calculate the estimated mean and variance for X