What hypotheses should be tested? Make sure to select the hypotheses which are written with notation consistent with the type of samples selected. 0 = Prl :°H H = Int:°H_0= Prt :°H in = In:°H_ = In1:°H_0 = Prl:°H Ha:Hd > 0 Hạ:µ1 # 42 Ha:4 > H2 H.: Ha < 0 H.:Hi < Hz HaiHd # 0 a = TS: t (round to 3 decimal places)
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- Overproduction of uric acid in the body can be an indication of cell breakdown. This may be an advance indication of illness such as gout, leukemia, or lymphoma.† Over a period of months, an adult male patient has taken seven blood tests for uric acid. The mean concentration was x = 5.39 mg/dl. The distribution of uric acid in healthy adult males can be assumed to be normal, with σ = 1.93 mg/dl. Find a 95% confidence interval for the population mean concentration of uric acid in this patient's blood. What is the margin of error? (Round your answers to two decimal places.) lower limit upper limit margin of error What conditions are necessary for your calculations? (Select all that apply.) σ is known σ is unknown n is large uniform distribution of uric acid normal distribution of uric acid Find the sample size necessary for a 95% confidence level with maximal margin of error E = 1.02 for the mean concentration of uric acid in this patient's blood. (Round your answer up to…Let's assume that a company hires you to rebuild the data that they lost. Data was consists of 10 samples. They provide you information regarding the data which are as follows: skewness -0.36763 kurtosis -1.5463 min 2 max 16 range 14 mean 10.3 median 10.5 mode `16 You need to generate 10 values that will give the same moment as give above.Overproduction of uric acid in the body can be an indication of cell breakdown. This may be an advance indication of illness such as gout, leukemia, or lymphoma.† Over a period of months, an adult male patient has taken thirteen blood tests for uric acid. The mean concentration was x = 5.35 mg/dl. The distribution of uric acid in healthy adult males can be assumed to be normal, with σ = 1.83 mg/dl. (a) Find a 95% confidence interval for the population mean concentration of uric acid in this patient's blood. What is the margin of error? (Round your answers to two decimal places.) lower limit upper limit margin of error (b) What conditions are necessary for your calculations? (Select all that apply.) σ is unknownn is largeσ is knownuniform distribution of uric acidnormal distribution of uric acid (c) Interpret your results in the context of this problem. There is not enough information to make an interpretation.There is a 95% chance that the confidence…
- A type of casting iron has Hall-Petch parameters: σ0 = 36.3 MPa and K = 6.5 MPa ∙ mm^−0.5. For a given sample, the grain size distribution is shown in the diagram below. Each bar represents the percentage of grains in particular size. First, estimate the average grain size based on concept of “weighted mean” (in case you do not know, search for this term). Then, apply Hall-Petch Equation to calculate the yield stress. (Note: 1 μm = 0.001 mm)myopenmath.com/assess2/?čid=97456&aid%36979687#/skip/5 Stephen Stigler determined in 1977 that the speed of light is 299,710.5 km/sec. Some measurements of the speed of light are given in the table. Is there evidence to show that the data value of the speed of light? Test at the 1% level. different from Stigler's Speed of Light Measurements in (km/sec) 300004 299740 299824 299706 299793 299765 299831 299539 299814 299737 299593 299689 299654 299836 299880 299763 299712 299700 299793 299568 299704 299796 299651 299548 299737 299636 299788 State the hypotheses. Find the point estimate. Round to three decimal places. Find the test statistic. Round to three decimal places. t = Find the p-value. Round to four decimal places. p-value - State your decision. O Since the p-value is less than 0.01, fail to reject Ho. O Since the p-value is greater than 0.01, reject Ho- O Since the p-value is greater than 0.01, fail to reject Ho. O Since the p-value is less than 0.01, reject Ho. Interpret the…Conduct a Chi-square test between two appropriate variables of your choice to investigate an association. Obtain column %s, count and expected count in the crosstabs table. Describe what the table tells you about the association in 2-3 sentences, reporting some %s and comparing select observed/expected frequencies in various cells to describe the association. Write out the null and research hypothesis Report the χ² critical value for an alpha level of 0.05. Report χ² obtained/test stat and sig/p value from the output. What is your decision about the hypothesized association? Write out a conclusion about the association. Attach your output including the cross-tabulation table and the chi-square test.
- H0 : =150.00 kPa H1 :>150.00 kPa b) α= 0.01; sample variance : 1300 freq. table sample deviation : 36.0555 freq. tableA company in the FMCG category wanted to test whether different package sizes of their floor cleaning liquid have an impact on sales. The different package sizes were 500ml, 1L, 2L, and 2.5 L. The company conducted Research in Mumbai and the results of the research are presented in the following table. `Source of variation Sum of squares Degrees of freedom Mean squares F-Ratio P-value Between groups ? ? ? 5.321 0.005 Within groups ? ? 1.387 Total 60.976 31 a). Identify the type of design. b) Fill in the spaces in the blank. c) Find out the number of observations. d) State the null and alternate hypotheses. e) What conclusion can be drawn from the table.Weights of a certain product follow Normal Distribution with unknownparameters. Based on the past experience, we knew that 7.5% of all theproducts weigh less than 11.188 gr and 6% of all products weigh more than18.0765 gr. Subject to the experience, calculate parameter values of thedistribution.
- Strength of concrete: The compressive strength, in kilopascals, was measured for concrete blocks from five different batches of concrete, both three and six days after pouring. The data are as follows. Can you conclude that the mean strength after three days is greater than the mean strength after six days? Let μ₁ represent the mean strength after three days and μμ₁ −μ₂. Use the a= 0.05 level and the critical value method with the table. Block 1 2 3 4 5 After 3 days 1386 1382 1349 1384 1341 After 6 days 1344 1343 1307 1325 1301 Send data to Excel Part 1 of 5 (a) State the null and alternate hypotheses. Ho|ua = 0 H₁ H₂ > 0 This hypothesis test is a right-tailed ▼test. Part: 1 / 5 Part 2 of 5 Find the critical value. Round the answer to three decimal places. If there is more than one critical value, separate them with commas. The critical value(s): 0.0.... XOverproduction of uric acid in the body can be an indication of cell breakdown. This may be an advance indication of illness such as gout, leukemia, or lymphoma.† Over a period of months, an adult male patient has taken six blood tests for uric acid. The mean concentration was x = 5.35 mg/dl. The distribution of uric acid in healthy adult males can be assumed to be normal, with σ = 1.83 mg/dl. (a) Find a 95% confidence interval for the population mean concentration of uric acid in this patient's blood. What is the margin of error? (Round your answers to two decimal places.) lower limit= upper limit= margin of error= (d) Find the sample size necessary for a 95% confidence level with maximal margin of error E = 1.02 for the mean concentration of uric acid in this patient's blood. (Round your answer up to the nearest whole number.)new procedure for the rapid determination of sulfur in kerosene was tested on a sample known for its method of preparation to contain 0.123% S (µo = 0.123% S). the result for % S were 0.112, 0.118, 0.115 and 0.119. T critical = 5.84. determine what data says about procedure