Q3: Shear strengths of 60 spot welds in a titanium alloy follow:5408 5431 5475 5442 5376 5388 5459 5422 5416 54355420 5429 5401 5446 5487 5416 5382 5357 53885407 5469 5416 5377 5454 5375 5409 545954455463 5408 5481 5453 5422 5354 5421 54065399 5391 5477 5447 53295445 5436 5454 5453 542854445423 5441 5412538454735418 5465 5427 54215396Construct a Frequency Distribution Table (FDT) for the weld strength through finding:1) Range 2) Number of Classes 3) width of Classes 4) all classes 5) only the frequency of fifth class.545754295466

From the provided information or data n=60 The frequency distribution table is Class frequency…

Answered: Q3: Shear strengths of 60 spot welds in…

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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The accompanying specific gravity values describe various wood types used in construction. 0.33 0.35 0.36 0.36 0.37 0.38 0.40 0.40 0.40 0.41 0.41 0.42 0.42 0.42 0.42 0.42 0.43 0.44 0.45 0.46 0.46 0.47 0.48 0.48 0.49 0.53 0.54 0.54 0.55 0.58 0.61 0.66 0.66 0.67 0.68 0.77 Construct a stem-and-leaf display using repeated stems. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.)
In 58 specimens of a new aluminum alloy that is developed as a material for the next generation of aircraft, the compressive strength was measured, obtaining the following results: 66.4 67.7 68.0 68.0 69.5 70.4 71.6 72.9 69.0 69.169.2 69.3 69.3 69.5 70.3 71.5 72.7 68.9 69.9 70.070.0 70.1 70.2 70.3 71.3 72.6 68.8 69.8 70.8 70.971.0 71.1 71.2 71.3 72.4 68.6 69.8 70.6 71.8 71.871.9 72.1 72.2 72.3 68.4 69.7 70.6 71.7 73.3 73.574.2 74.5 75.3 68.3 69.6 70.5 71.6 73.1 a. Find a 95% confidence interval for the mean strength of the aluminum alloy.b. If you want to test Ho: Mu = 72 against H1: Mu different from 72 with a significance level of 0.05, what is the probability of a type II error for Mu = 71?
In 58 specimens of a new aluminum alloy that is developed as a material for the next generation of aircraft, the compressive strength was measured, obtaining the following results: 66.4 67.7 68.0 68.0 69.5 70.4 71.6 72.9 69.0 69.169.2 69.3 69.3 69.5 70.3 71.5 72.7 68.9 69.9 70.070.0 70.1 70.2 70.3 71.3 72.6 68.8 69.8 70.8 70.971.0 71.1 71.2 71.3 72.4 68.6 69.8 70.6 71.8 71.871.9 72.1 72.2 72.3 68.4 69.7 70.6 71.7 73.3 73.574.2 74.5 75.3 68.3 69.6 70.5 71.6 73.1 a. Find a 95% confidence interval for the mean resistance of thealuminium alloy.b. If you want to test Ho:Mu =72 against H1: Mu different from 72 with a significance level of 0.05, what is the probability of a type II error for Mu= 71?
An experiment was conducted to determine the effect of Hexafluoroethane C2F6 flow rate on theuniformity of the etch on a silicon wafer used in integrated circuit manufacturing. Four flow rates (instandard cubic centimeter per minute) are used in the experiment and the resulting uniformity (inpercent) is shown here. 125 sccm 160 sccm 200 sccm 220 sccm 4.05 3.99 3.97 4.00 4.01 4.02 3.98 4.02 4.02 4.01 3.97 3.99 4.04 3.99 3.95 4.01 4.00 4.00 4.00 a. Identify the independent (factor) and dependent (response) variables in this study. What are thetreatments? What are the experimental units? How can this be modelled by a completelyrandomized design experiment? b. Is the assumption of homogeneity of variances among the 4 groups satisfied? Justify by doing an8-step procedure using Levene’s approach. Use a 0.05 level of significance. STATISTICA output orPHSTAT output is also required. Is the assumption of normality for each treatment groupsatisfied? Justify by doing…
The diameter of a metal shaft used in a disk-drive unit is normally distributed with mean 0.25 in. and std. dev. 0.0005 in. The specification on the shaft have been established as (0.25-0.002 in, 0.25+0.002in) What fraction of the shafts produced conform to specifications? a). 0 b). 0.5 c). 0.9 d). almost 1
The following table indicates the unit prices (in Rands) and quantities of three goods purchased every month by a bakery for the years 2022 and 2023.GOOD20222023Unit Price (p0)Quantity (q0))Unit Price (p1)Quantity (q1)EggsR2.602550R2.852700FlourR61.00109R64.00103Sesame seedsR115.00345R118.5039523 2023© The Independent Institute of Education (Pty) Ltd 2023Page 7 of 8Q.3.1Using 2022 as the base year, compute the price relatives in 2023 for eggs and sesame seeds. Interpret your answers.(10)Q.3.2Using 2022 as the base year, compute the Laspeyres price index for all of the goods for 2023. Interpret your answer.(8)Q.3.3Using 2022 as the base year, compute the Paasche price index for all of the goods for 2023. Interpret your answer.(7)[TOTAL
The following data are on the dental measurements (distance in mm from the center of the pituitary to the pterygomaxillary fissure of 11 girls and 16 boys, all of whom were 16 years of age. Girls Boys 23.0 31.0 25.5 26.5 26.0 27.5 26.5 27.0 23.5 26.0 22.5 28.5 25.0 26.5 24.0 25.5 21.5 26.0 19.5 31.5 28.0 25.0 28.0 29.5 26.0 30.0 25.0 Reference SAS image to answer following questions 1. A. What are the appropriate null and alternative hypotheses for this research question using the appropriate population parameter(s) for SAS output for a t-test? b. Based on the output, which p-value tests the following hypotheses if you want to use a two-sample independent pooled t-test? Provide the specific test statistic and p-value. 2. From the output, what is the estimate of the pooled standard deviation? 3. From the output, what is the standard error for the average difference in…
The following data are on the dental measurements (distance in mm from the center of the pituitary to the pterygomaxillary fissure of 11 girls and 16 boys, all of whom were 16 years of age. Girls Boys 23.0 31.0 25.5 26.5 26.0 27.5 26.5 27.0 23.5 26.0 22.5 28.5 25.0 26.5 24.0 25.5 21.5 26.0 19.5 31.5 28.0 25.0 28.0 29.5 26.0 30.0 25.0 A. From the output, what is the standard error for the average difference in dental measurements in the population of 16 year old boy and 16 year old girls (assume the population variances are equal) B. From the output, interpret the 95% confidence interval for the true average difference in dental measurements
Assume that the weight of hamsters is Normally distributed with μ = 1.2 lbs and σ = 0.25 lbs. Suppose I randomly select 5 hamsters. What is P(X < 1.15)? (Use 3 decimal places)
The diameter of a metal shaft used in a disk-drive unit is normally distributed with mean 0.2508 in. and std. dev. 0.0005 in. The specification on the shaft have been established as (0.25-0.0015 in, 0.25+0.0015in) If the process mean has been adjusted to 0.25 in, what fraction of the shafts produced does NOT conform to specifications? a). 0.0027 b). 0.0013 c).0.08 d). 0.16
Refer to Exercise 6. Assume that c = 448 J/kg°C and ΔQ = 1210 J are known with negligible uncertainty. Assume the mass is m = 0.75 ± 0.01 kg. Estimate ΔT, and find the relative uncertainty in the estimate.
a major cereal manufacturer is awarding prize certificates in its #1 cereal. a random sample of 60 cereal boxes is selected and 5 are found to contain prize certificates. find the 90% C.I for the true proportion of prize certificates.

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