Determine whether the given value is a statistic or a parameter.A homeowner measured the voltage supplied to his home on 338 days of a given year, and the average (mean) value is 126.3 volts....Choose the correct answer below.O A. The given value is a statistic for the year because the data collected represent a population.O B. The given value is a statistic for the year because the data collected represent a sample.OC. The given value is a parameter for the year because the data collected represent a sample.OD. The given value is a parameter for the year because the data collected represent a population.MacBook ProescG Search or type URL@%232$%3QWEtabYW #< cO

Answered: Image /qna-images/answer/aa958ac5-865c-4384-8ff2-87784c4bcb58.jpg

Answered: Determine whether the given value is 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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A scale is known to be "low-calibrated" in that it measures an aluminum bar to be 4 grams lower than the actual weight. If ????μold is the mean of all possible measurements of the bar using the old calibration, and ????μnew is the mean of all possible measurements of the bar using a re-calibrated scale. It is desired that ????−????=4μnew−μold=4. Consider the test ?0:????−????=4H0:μnew−μold=4 vs. ?0:????−????≠4H0:μnew−μold≠4 Sample after calibration: mean is 95.8 , SD is 4.9 and sample size is 10 Sample before calibration: mean is 89.352 , SD is 4.2 and sample size is 62 We do not know population standard deviations. What is the p-value? (Hint: best to use software, or else the Desmos Calculator for the 2 sample T and Z test)
How hot does it get in Death Valley? Assume that the following data are taken from a study conducted by the National Park System, of which Death Valley is a unit. The ground temperatures (°F) were taken from May to November in the vicinity of Furnace Creek. Compute the median for these ground temperatures. Round your answer to the nearest tenth. 147 152 166 171 188 179 187 188 179 179 166 165 152 143 Group of answer choices 159.0 187.5 166.0 337.0 168.5
The table gives the percent of total households that have married couples for selected years from 1982 and projected to 2050. Complete parts (a) through (c) below. ^ a. Find the quadratic function that best models the data, with x representing the number of years after 1980 and y representing the percent. y=(x²+x+) (Type integers or decimals rounded to three decimal places as needed.) b. Graph the function and the data points on the same axes. Choose the correct graph below. OA. 40 6 17 & + 7 OB. hp f8 * 4+ 8 H 9 O C. Year 1982 1990 2000 2010 f10 O Percent Year 59 2020 56 2030 54 2040 49 2050 Q Q fn OD. f12 Percent 47 46 45 44 + Q Q Next = insert
Weatherwise is a magazine published by the American Meteorological Society. One issue gives a rating system used to classify Nor'easter storms that frequently hit New England and can cause much damage near the ocean. A severe storm has an average peak wave height of ? = 16.4 feet for waves hitting the shore. Suppose that a Nor'easter is in progress at the severe storm class rating. Peak wave heights are usually measured from land (using binoculars) off fixed cement piers. Suppose that a reading of 37 waves showed an average wave height of x = 17.3 feet. Previous studies of severe storms indicate that ? = 3.5 feet. Does this information suggest that the storm is (perhaps temporarily) increasing above the severe rating? Use ? = 0.01. (a) What is the level of significance? (b)What sampling distribution will you use? Explain the rationale for your choice of sampling distribution. (c)What is the value of the sample test statistic? (Round your answer to two decimal places.)
Still need D , E and F
Weatherwise is a magazine published by the American Meteorological Society. One issue gives a rating system used to classify Nor'easter storms that frequently hit New England and can cause much damage near the ocean. A severe storm has an average peak wave height of ? = 16.4 feet for waves hitting the shore. Suppose that a Nor'easter is in progress at the severe storm class rating. Peak wave heights are usually measured from land (using binoculars) off fixed cement piers. Suppose that a reading of 35 waves showed an average wave height of x = 17.3 feet. Previous studies of severe storms indicate that ? = 3.5 feet. Does this information suggest that the storm is (perhaps temporarily) increasing above the severe rating? Use ? = 0.01.
A keen angler kept a record of the weight of each of his last 51 catches of fish. The weights, recorded to the nearest 0-1 kg, are as given in the following table. Weight (kg) 0.0-0.4 0.5-0.9 1.0-1.2 1.3-1.7 1.8-2.1 2.2-3.7 3.8-5-2 Frequency 12 8 2 9 8 8 4 Draw a histogram for the data, and use it to calculate the modal class.
When determining which is significant for part a -make sure to include df, p value (greater than or less than .05), and t statistic
Q19 determine whether the given value is a statistic or a parameter. A homeowner measured the voltage supplied to his home on all 7 days of a given week, and the average ( mean ) value is 126.3 volts. choose the correct answer below . A. The given value is a parameter for the week because the data collected respresent a population. b. The given value is a parameter for the week because the data collected represent a sample. c. The given value is a statistic for the week because the data collected represent a population. d. The given value is a statistic for the week because the data collected represent a sample.
Set up a frequency distribution table. Show the histogram and Freq. Polygon Find the mean, median, mode, range, variance, std. deviation.Compute for the skewness and kurtosis – show your solution
Use the t3 I calculator.
Weatherwise is a magazine published by the American Meteorological Society. One issue gives a rating system used to classify Nor'easter storms that frequently hit New England and can cause much damage near the ocean. A severe storm has an average peak wave height of ? = 16.4 feet for waves hitting the shore. Suppose that a Nor'easter is in progress at the severe storm class rating. Peak wave heights are usually measured from land (using binoculars) off fixed cement piers. Suppose that a reading of 32 waves showed an average wave height of x = 17.3 feet. Previous studies of severe storms indicate that ? = 3.5 feet. Does this information suggest that the storm is (perhaps temporarily) increasing above the severe rating? Use ? = 0.01.

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