4. The average annual rainfall for a certain area was previously known to be 35 inches. A local meteorol-ogist believes the average rainfall recorded in the last five years was significantly higher. The averageannual rainfall recorded in the last five years was: 36.6, 38.5, 37.1, 34.9, 35.9. Test this at significancelevel 0.05.

Answered: Image /qna-images/answer/043b1318-1628-484c-a6d4-dbb6f01d2b50.jpg

Answered: 4. The average annual rainfall for a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Consider the highest daily snowfall accumulation in Montréal per winter season, measured at the Montréal Airport from 1964/65 to 2014/15. The measurements in cm are as follows: maxsnow ## [1] 15.2 25.4 32.8 14.5 23.6 37.8 43.2 22.9 20.3 21.1 25.7 24.6 25.9 22.5 32.8 ## (16] 19.6 11.0 18.2 10.8 21.3 22.0 13.6 21.8 21.0 21.2 12.2 20.2 17.2 40.0 27.8 ## [31] 13.2 20.8 21.4 23.6 35.8 33.9 31.0 18.8 15.8 18.8 17.2 41.2 35.2 31.8 23.8 ## [46] 29.8 20.4 16.0 45.6 20.8 20.0 (a) Is this data a realization of a random sample? Provide rationale for your answer (you may list pros and cons if you like). (b) Which population quantities (mean, variance, probabilities of certain events) would you like to use these data to estimate and why? (The answers to these questions are subjective).
In one of the Stat 2 sections, the students in the section have an average height of 64 inches, with a standard deviation of 3 inches. The GSI happens to be 68 inches. Express the height of the GSI in standard units, relative to the students in the section. Choose the answer below that is closest. Group of answer choices 1.67 3.0 1.5 1.33 4.0 PreviousNext
b?
Would pettys team sample data support the claim that the life of goodbar tries has increased from 2,200 mile figure using a 0.05 level of signifigance
Answer the following
a) The average temperature (Centigrade) in London varies from 14C to 31C during the year. i. Calculate indices based on March, base = 100 ii. What is the %age variation between the highest and the lowest temperatures? Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Temp C 15 22 19 24 29 28 31 28 27 22 18 14 Index b) Below are the no of customers, visiting a local Tesco Express, in the first week of holiday season. The store manager would like to avoid stock out in the busy period. Provide forecast of sales on Saturday next week, using 3 point moving average and seasonal variation. Assume same seasonal variation next period.
30 of 68 ge 13. Your teacl 11. A consumers group recently tested 100compact fluorescent light bulbs and recorded their lifetimes. The shows the boys ages chart shows the results. 2 to 20 years: Boys Body mass index-for-age Lifetime (h) Frequency Date Age Weight Stat 5000-6000 7 6000-7000 12 7000-8000 34 8000-9000 27 9000-10 000 10 *To Calculate BMI: Weight (kg or Weight (Ib) - Sta BMI 10 000–11 000 27 11 000-12 000 26 25- a) Make a box and whisker plot of the 24 23 data. 22 b) Make a histogram of the data and mark the quartiles on it. 21 20 19 c) Describe the middle 50% of the data. 18 17 d) Identify any outliers. 16 15 12 Agencies trocl o 1:

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