The claim is that weights (grams) of quarters made after 1964 have a mean equal to 5.670 g as required by mint specifications. The sample size is n= 39 and thetest statistic ist= - 3.382. Use technology to find the P-value. Based on the result, what is the final conclusion? Use a significance level of 0.05.Slale uie nui and aIlemative riypoieses.Ho H(Type integers or decimals. Do not round.)The test statistic is.(Round to two decimal places as needed.)The P-value is(Round to three decimal places as needed.)Based on the P-value, theresufficient evidence at a significance level of 0.05 tothe claim that weights of quarters made after 1964have a mean equal to 5.670 g as required by mint specifications.View instructor tinTime Limitu

The random variable weight of quarter follows normal distribution. We have to test whether weights…

Answered: The claim is that weights (grams) of…

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 population standard deviation is 7. Our sample size is 36. What is the 95% margin of error for: 1) the population mean
How can we answer the following?
2. Get a tip measure and identify 20 of your classmates in random selections and measure their height in centimeters. Tabulate the measured height and obtain the following: (OBE Approach) (i) Mean (ii) Median (iii) Mode
Please answer part c), d) and e)
The p hat =0.25, proportion standard deviation=0.065, and z=1.960. 34. What is the size of the sampling proportion?* A. small B. large C. both small and large D. cannot be determined
6] According to major league baseball rules, the ball must weigh between 5 and 5.25 ounces. A factory produces baseballs whose weights are normally distributed, with mean 5.11 ounces and standard deviation 0.062 ounces. c] What proportion of the baseballs produced by this factory can be used by MLB? d] If 8,000 baseballs are ordered, how many baseballs should be manufactured, knowing that some will need to be discarded?
39. What value is appropriate to report if the study design was cohort study?A. Chi square = 465.4B. OR = 83.24C. p-value < 0.001D. RR = 16.6540. What value is appropriate to report if the study design was case-control study?A. Chi square = 465.4B. OR = 83.24C. p-value < 0.001D. RR = 16.6541. What measure of association was utilized in the analysis?A. Chi square testB. correlation testC. one-way ANOVAD. t-test for paired groups42. Based on the analysis, will maternal age affect the occurrence of Down syndrome?A. Cannot be knownB. MaybeC. NoD. Yes
Run a single proportion test. Significance level= 0.05
help with 2a-f
choose the best answers to the given questions or statements.
Table 1 Demographics, disease characteristics and BMI of all patients, and for men and women separately. Variable (scale) Total (n =184) Men (n = 108) Women (n =76) Age in years Diagnosis, n (%) Schizophrenia and otherwise psychotic 57.4 (12,8) 56.5 (12.1) 58.9 (13.6) 0.20 0.72 142 (77.2) 82 (75.9) 60 (78.9) Personality disorder 17 (9.2) 12 (11.1) 5 (6.6) Mood disorder Depressive Bipolar Others 6. (3.3) 3 (2.8) 3 (3.9) 7 (3.8) 5 (4.6) 2 (2.6) 12 (6.5) 6. (5.6) 6 (7.9) Years of hospitalisation" Severity of illness (scale 1-6) Body Mass Index (BMI) (13.2) (1.39) (5.4) 10.7 (10.7) (1.26) 13.0 (12.3) (1.36) 14.8 0.02 4.67 4.51 4.89 0.06 27.8 (6.2) 27.7 28.8 (7.0) 0.05 Medication, n (%) Antipsychotics First generation Second generation Both 0.55 36 (19.6) 21 (19.4) 15 (19.7) 70 (38.0) 45 (41.7) (37.0) 25 (32.9) (43.4) (39.7) (44.6) 73 40 33 Antidepressants 82 46 (42.6) 36 (47.4) 0.52 Mean (SD) unless otherwise noted. Note. significant p-values (p < 0.05) are bold. " Substance-related…
Consider a population of 250with a mean of 60 and a standard deviation equal to 26. What is the probability of obtaining a sample mean of 61 or less from a sample of 35? Click here to view page 1 of the Cumulative Standardized Normal Table. LOADING... Click here to view page 2 of the Cumulative Standardized Normal Table. LOADING... Question content area bottom Part 1 What is the probability of obtaining a sample mean of 61 or less from a sample of 35? P(x≤61)=enter your response here (Round to four decimal places as needed.)

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