d CutEE Copy ▼H A0 .00Conditional FormatsteEEMerge & Center00 a0Format PainterFormatting- TableNumberClipboardFontAlignmentStyles27Gi110 parts made from alloy 1 and 46 parts made from alloy 2 were subjected to stress tests. 16 parts fromalloy 1 and 14 parts from alloy 2 did not pass the test. Can we reject the hypothesis that the proportion ofnonpassing parts from alloy 1 is at least as large as the proportion of nonpassing parts from alloy 2 at a-0.01?Assume independent samplesQuestion 1For the hypothesis stated above lin terms of alloy1- alloy2):Part A What is the decision rule? Fill in only one of the following statements.If the hypothesis is one tailed:If the hypothesis is twotailed:Reject Ho ifnrWhat is the test statistic?匚Part BQuestion 2Find the 90% confidence interval (in terms of alloy2-alloy!)Left Endpoint =Right EndpointRi

Question 1:Conditions:The conditions for the two proportion test for sample sizes n1 and n2 with…

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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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Only answer the questions typed: A. indicate whether it's one or two sidedB. Indicate whether it's a test of means or proportionsC. Write out the expression for determining the P-value
Define Method of Variation of Parameters ?
Tax and Hersonal B X G 100 tmes 1056 - Google Search x G 12 times .09 - Google Search =/1FAIPQLSFR5_gQJZ8R8giEKKbWaizcZeu3SkofqZfk0pfGMkD5YQi_Ow/viewform?hr_submission=DChl- eve3000: Level.. K Achieve3000: Level.. Achieve3000: Lesson G Classroom: manag. E Cell Quiz 14 points 7. The Thompson family budget is shown in the circle graph. Clothing 9% Medical Insurance $900 Food 14% Entertainment 3% Transportation $720 Savings 9% Housing S1800 Miscellaneous 8% The Thompson family's net monthly income is $6,000. How much did the Thompson's allocate for clothing per month? A. $540 C. $800 B. $720 D. $900 A Submit
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15. Diameter of Douglas Fir Trees The diameter of the Douglas fir tree is measured at a height of 1.37 meters. The S following data represent the diameter in centimeters of a random sample of 12 Douglas firs in the western Washington Cascades. 156 162 147 173 147 190 130 101 159 113 181 109 Source: L. Winter. "Live Tree and Tree-Ring Records to Reconstruct the Structural Development of an Old-Growth Douglas Fir/Western Hemlock Stand in the Western Washington Cascades." Corvallis, OR: Forest Science Data Bank, 2005. (a) Obtain a point estimate for the mean and standard deviation diameter of a Douglas fir tree in the western Washington Cascades. (b) Because the sample size is small, we must verify that the data come from a population that is normally distributed and that the data do not contain any outliers. The figures show the normal probability plot and boxplot. The correlation between the tree diameters and expected z-scores is 0.982. Use Option 1 or Option 2 to determine if the…
7. Did plant height of the Alpine ecotype of cinquefoil vary between gardens? Provide justification for your answer including appropriate screenshots of text output and figures from R. The height of the Alpine ecotype cinquefoil does vary. Week 1 Assignment: Characterizing Populations > Ichistan; uchstan # Stanford garden [1] 25.78633 [1] 31.30598 Ich math; ucmath # Mather garden [1] 41.35308 [1] 48.65359 >chtimb; ultimb # Timberline garden [1] 23.81529 [1] 29.17042 Environment History Connections Tutorial Import Dataset ▾ 61 MiB List▾ Global Environment n.stan n. timb s.math 26L 28L 9.61125358120879 s.stan 6.70010332870954 s.timb 6.78079688157715 $1 17.3924278891305 $2 6 $3 97 54 $5 30.15 53 uc1.math uc1.stan ucl. timb x y1 y2 уз Functions 48.6535875829896 31.3059780687354 29.170424087752 ... num [1:141] 20 20.2 20.5 20.8 21 num [1:141] 1.98e-10 6.70e-10 2.19e... num [1:141] 1.86e-45 1.40e-44 1.04e... num [1:141] 8.29e-07 2.19e-06 5.55e... Height in cm 10 20 30 40 50 60 60 Mather…
one Task Cards AClasswork for 8th Grade Science X its itslearning 1FAlpQLSfn5zcuL9YlydBODSTPgn5YetlzaClzFMzjwJF93IKihoXmyQ/viewform Find the Volume 803.84 units3 (Use 3.14 as pi) 201.06 12 units3 A 1206 Units3 IL #1 102.6 units3 803.84 201.06 1206 O 102.6
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Speed cameras (SC) are used to reduce the risk of accidents in accident-prone zones in metropolitan cities. To study the effectiveness of speed cameras, transport engineers would like to compare the average number of accidents in junction A (with SC) and junction B (without SC). The number of accidents in 105 weeks in two junctions are provided below. 6 7+ Number of Accidents 0 1 2 3 4 5 Observed frequency 40 20 15 16 10 3 1 0 Number of Accidents 0 1 2 3 4 5 6 7+ Junction B without SC Observed frequency 25 24 18 15 18 41 0 Junction A with SC Test the average number of accidents per week in junctions A and B are same at the 5% significance level.
Several methods of estimating the number of seeds in soil samples have been developed by ecologists. An article gave the accompanying data on the number of seeds detected by the direct method and by the stratified method for 27 soil specimens. Specimen 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Direct 21 33 0 60 20 61 40 8 13 93 1 68 77 21 Stratified 8 37 8 57 53 61 28 8 8 100 0 57 68 53 Specimen 15 Find the test statistic. (Round your answer to two decimal places.) t = 16 17 18 19 20 21 22 23 24 25 26 27 Direct Find the df. (Round your answer down to the nearest whole number.) df = 33 0 37 17 93 1 40 21 0 8 13 Use technology to find the P-value. (Round your answer to four decimal places.) P-value = 17 40 Stratified 28 0 37 13 93 13 48 21 0 13 40 Do the data provide sufficient evidence to conclude that the mean number of seeds detected differs for the two methods? Test the relevant hypotheses using a = 0.05. (Use direct stratified.) 13 77
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