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i only need c, d and e the mean is 9.9755 and standard deviation is 0.0646 Measurement 9.75 9.90 9.90 9.95 9.95 | 10.00 |

i only need c, d and e the mean is 9.9755 and standard deviation is 0.0646

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Measurement 9.75 9.90 9.90 9.95 9.95 | 10.00 | 10.05 | (#13) 10.00 10.05 10.20 frequency 60 260 370 240 70 3. Find the descriptive statistics below. i. Mean ii. Standard deviation iii. Inter-quartile range [7 marks] b. Sketch a histogram to represent the data. Show all the relevant workings. [5 marks] c. Assume that the population distribution is normal. State the estimators for its mean and variance. [2 marks] Assume that the population mean is the capacitance claimed by the manufacturer. d. Find the probability that a randomly selected capacitor has a reading between 9.965 pF to 10.125 10\". [3 marks] e. Find the interval of which the central 75% of the population lie. [3 marks]

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