8.The accompanying table shows the calibration data for the chemicalanalysis of silica; X is the known amount of silica and Y is theabsorbance of the solution. An unknown sample had an absorbancevalue of 0.242. Find the amount of silica in the unknown and give the95% confidence limits.0.0000.0200.0400.0600.0800.1000.120Y0.0320.1350.1850.2680.3590.4350.511

Given the data as X Y 0.000 0.032 0.020 0.135 0.040 0.185 0.060 0.268 0.080 0.359…

Answered: 8. The accompanying table shows the…

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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Q2. A laundry for car wash found that the average, for small size car, cleaning time is 5 mins in the morning and 6.5 mins at evening time when a sample of size 30 is taken at the two time periods. From the previous record, the laundry manager knew that car oj = 2 mins for the morning shift and oz = 2.5 mins for morning and evening repectively. Find the interval estimate for 4 - 42 with 90% confidence level.
A normal distribution has μ = 32 and σ = 5. Find the z score corresponding to x = 27. Find the z score corresponding to x = 46. Find the raw score corresponding to z = −3. Find the raw score corresponding to z = 1.1.
B6. Pinan Insurance Company wants to study the relationship between the amount of fire damage and the distance between the burning house and the nearest fire station. This information will be used in setting rates for insurance coverage. For a sample of 30 claims for the last year, the director of the actuarial department determined the distance from the fire station (x) and the amount of fire damage, in thousands of dollars (y). The MegaStat output is reported below. ANOVA table Source Regression Residual Total Regression output Variables Intercept Distance-X Answer the following questions. SS 1,864.5782 1,344.4934 3,209.07 Coefficients 12.3601 4.7956 df 1 28 29 MS 1,864.5782 48.0176 Std. Error 3.2915 0.7696 F 38.83 t(df=28) 3.755 6.231 a) Write out the regression equation. Is there a direct or indirect relationship between the distance from the fire station and the amount of fire damage? b) How much damage would you estimate for a fire 5 miles from the nearest fire station?
A normal distribution has a mean of u= 80 with o= 12. Find the following proportions with the given score: (X < 74). Be sure to illustrate the normal distribution and shade in the region in question.
step by step please
Please show detailed calculations and work. Find the critical values (“z”, "? ? "?? “t” scores) for the following. a. C.L. = 98%, n is 25 and σ is unknown. b. Alpha is 3%, the sample size is 45 and sigma is known. d. α is .5%, n=15;sigma is known for the left tail (not “z”) e. 90%, chi-square right, when the sample size is 22.( ? ? ?)
Let X be a quantitative variable whose values are form a population under study and X⎯⎯⎯⎯ be the corresponding sample mean RV. If population and sample sizes are 3601 and 196, respectively, and σX=149, then SD(X⎯⎯⎯⎯) is Select one: ≈10.64 None ≈10.35 ≈10.94 ≈0.76
Find the margin of error for the given values of c, σ, and n. c=0.90, σ=3.5, n=36 LOADING... Click the icon to view a table of common critical values. E=enter your response here (Round to three decimal places as needed.)
5. Find P( 480 < X-bar < 520) · Given : The average test score (u) in 2020 of a Standardized Accounting Exam was 550 with a population standard deviation (0) of 45. 6. . Find Lowest Test Score x which is in the 95 Percentile. 7. Find Lowest Test Score x which is in the 75st Percentile. 8. Find Lowest Test Score x which is in the 25 Percentile. Given that an Independent Education Research team desires to estimate the population GPA, µ, of Gulf Coast State College for the year 2020. The sample mean was 3.15. Ass population standard deviation of 0.85 (0). 9. A sample of n= 100 students was selected at random. Find the 95% Confidence Interval for u and interpret your results. Given that an Independent Education Research team desires to estimate the popula GPA, µ, of Pensacola State College for the year 2020. The sample mean was 3.11. 0.7 Tunnora a i not giuen and n= 29 students were selected at random. Assume s =
Determine what kind of statistical analysis is required for the following set of data. Solve for the t-value and state your conclusion.

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