Create a histogram, and calculate x¯, the t-statistic, and the p-value.34.006185872150643.3589638996939.283945879199348.445868120155343.945037690661744.338790708657744.011333831052644.934927690549527.446007915186431.547513794569340.85180931970654.496654826020451.222913044518626.566726357304643.874760225209963.651403903230746.34849134021931.704343385888733.929167672800149.391475188205436.272714696017931.070284094588733.871791976354432.901812745096533.682026791146149.623404640171540.810502986678142.660325230669727.588694432944439.172779788827840.754454150281544.992111688211543.355903790683833.610962924907343.872045923763940.309081509041336.489716685149839.153082020068626.640187218474625.243698890362231.442728895371652.313171257996729.724679093344823.035212811279735.150027262750837.33402541745329.50927571412341.119798241690538.877203269782943.069636134157446.227873926857246.125263493428240.206990667153542.827498378345538.941258327154150.940499816298552.76068712416445.683356924554246.611692887495740.5663391560249A power company is installing utility poles that are supposed to have a height of 40 feet. The foreman checks a random sample of 60 poles to determine if the mean height is 40 feet at a significance level of 0.05. From the histogram, can normality be assumed?( YES or NO?)x=t=p=Since the p-value is ____ (GREATER or LESS)than the significance level 0.05, the null hypothesis ___(FAILS TO BE REJECTED or IS REJECTED). (SUFFICIENT or INSUFFICIENT ) evidence exists that the mean height differs from 40 feet.

We have given data, 34.00618587 43.3589639 39.28394588 48.44586812 43.94503769…

Answered: A power company is installing utility…

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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Question

Create a histogram, and calculate x¯, the t-statistic, and the p-value.

34.0061858721506
43.35896389969
39.2839458791993
48.4458681201553
43.9450376906617
44.3387907086577
44.0113338310526
44.9349276905495
27.4460079151864
31.5475137945693
40.851809319706
54.4966548260204
51.2229130445186
26.5667263573046
43.8747602252099
63.6514039032307
46.348491340219
31.7043433858887
33.9291676728001
49.3914751882054
36.2727146960179
31.0702840945887
33.8717919763544
32.9018127450965
33.6820267911461
49.6234046401715
40.8105029866781
42.6603252306697
27.5886944329444
39.1727797888278
40.7544541502815
44.9921116882115
43.3559037906838
33.6109629249073
43.8720459237639
40.3090815090413
36.4897166851498
39.1530820200686
26.6401872184746
25.2436988903622
31.4427288953716
52.3131712579967
29.7246790933448
23.0352128112797
35.1500272627508
37.334025417453
29.509275714123
41.1197982416905
38.8772032697829
43.0696361341574
46.2278739268572
46.1252634934282
40.2069906671535
42.8274983783455
38.9412583271541
50.9404998162985
52.760687124164
45.6833569245542
46.6116928874957
40.5663391560249

A power company is installing utility poles that are supposed to have a height of 40 feet. The foreman checks a random sample of 60 poles to determine if the mean height is 40 feet at a significance level of 0.05.

From the histogram, can normality be assumed?( YES or NO?)

Since the p-value is ____ (GREATER or LESS)than the significance level 0.05, the null hypothesis ___(FAILS TO BE REJECTED or IS REJECTED). (SUFFICIENT or INSUFFICIENT ) evidence exists that the mean height differs from 40 feet.

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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