Structural Engineers in an iron manufacturing company describe the results of deformation on thenatural frequency of alloys made from composite material. Five such delaminated alloys weresubjected to loads, and the resulting frequencies (in hertz) were as follows: 230.66, 233.05, 232.58,229.48, 232.58Compute a 90% prediction interval on the diameter of the natural frequency of the next beam of thistype that will be tested.O a. The 90% prediction interval is wider than the 90% confidence interval on the population meanO b. None of the aboveO c. 228.1 < Xn+1<235.2O d. 230.2 <µ < 233.1

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Answered: Structural Engineers in an iron…

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 graduate-level computer science course only gives the grades of A, B, or C. The department has determined that there should be 40% A's given, 40% B's given and 20% C's given as final grades for the course. For the spring 2021 semester, 200 students took the course and 100 students received A's, 50 students received B's and 50 students received C's, so those are my observed frequencies. We want to do a Chi-square Multinomial Goodness of Fit test to see if our grading guidelines match up with what is actually happening. What is the expected frequency for the grade of B category? Round your answer to the tenths position.
A4
a. Total frequency = 82 Observations on the largest frequency: 90.0, 90.1, 90.1, 90.1, 90.3, 90.4, 90.4, 90.4, 90.5, 90.6, 90.7, 90.8, 90.9 O b. Total frequency = 82 Observations on the largest frequency: 87.4, 87.5, 87.6, 87.7, 87.8, 87.9 O. Total frequency cannot be determined by the present diagram Observations on the largest frequency: 90.0, 90.1, 90.1, 90.1, 90.3, 90.4, 90.4, 90.4, 90.5, 90.6, 90.7, 90.8, 90.9 d. Total frequency = 18 Observations on the largest frequency: 90.0, 90.1, 90.1, 90.1, 90.3, 90.4, 90.4, 90.4, 90.5, 90.6, 90.7, 90.8, 90.9
Dr.Blume has trained observers to use frequency recording to record the behavior of 12 schizophrenic clients. According to the analysis of the data κ = 0 . 47, do you think the observers are sufficiently trained to allow Dr. Blume to proceed with the research?
Question 22
A b c
QUESTION 9 The following boxplots show the property crime rate per 100,000 residents in the 50 states grouped by regions. The regions are the Midwest (MW), Northeast (NE), South (S), and West (W). MW- NE S- W- 1500 2000 2500 3000 3500 4000 4500 Property Crime (per 100,000 residents) As measured by the interquartile range (IQR), which region has the lowest variation in property crime rates per 100,000 residents? O A. MW O B. NE OC.S O D.W
c)
None
From the data points (15, 24), (18, 37), (22, 25), determine f (16) using Newton's divided difference interpolation. Round-off to 3 decimal places. asap
these go together. Can you guys bring back your live chat please?
A study compared the number of sexual partners between physical education majors and biology majors (assignment problem 19 in the textbook). The 250 physical education majors and 50 biology majors were asked to report the number of sexual partners they had in the previous year. The corresponding frequency histograms are shown below. The researchers calculated U1 = 8500.5 for the biology majors and U2 = 3999.5 for the physical education majors. What is the P-value obtained from a two-tailed Mann-Whitney U test on these data? Make sure to account for both tails of the standard normal distribution as this is a two-tailed test! You will need to report the P-value to FIVE DIGITS after the decimal point.

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