21pi/11 is coterminal with ?
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21pi/11 is coterminal with ?
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- Let's assume that the COVID-19 new case report data were collected from S.A Ministry of Health 30th of December 2019 was the first date that COVID-19 was confirmed in S.A. The time period of data was from the 20th of January to the 27th of January 2020 (for the last 7 days). The data included the total number of new cases, date of recorded, number of new total COVID-19 cases. In this study, a medical researcher used Pearson's cortelation analysis and the linear regression model to predict COVID-19 new cases based on the available data. (e.g., that Cases of infection rises linearly with number of people tested). The best-known types of regression analysis are the following: Date Day Sunday Monday Tuesday Wednesday Thursday Friday Saturday Sunday Test No. Case Counts 2020/01/20 2020/01/21 2020/01/22 2020/01/23 2020/01/24 2020/01/25 2020/01/26 2020/01/27 6. 33 41 17 1 18 3. 13 44 Calculate the coefficient of correlation using the Karl Pearson method. O A. 1 OB. 0.1356 OC. 0.9239 OD.…For a chi square test of independence, with 3 rows and 2 columns, what is the degrees of freedom?11.1.2
- 76026 A set of five identical coins is tossed 200 times and number of heads appearing each time is recorded Number 29 1 4. of heads Frequency 122 60 15 1 Test whether a coin is unbiased. 3. 2. 2.A researcher calculates a chi-square of 3.244 from a 2x4 chi-square test for independence. Which of the following should be used to determine the effect size? Select one: a. Cohen's d b. Phi-coefficient c. Cohen's w d. Cramer's VNone of these 12. The probubulty of a new antivual medcation successfully curing patients was found to be 0.77. If this sa buomal dustribution, about how many would you expect to be cured if 250 ill patsents recerved this medication? A 12 A 173 &.192 d. None of these
- A General Social Survey (GSS) was administered to 270 people in order to determine whether there was a significant difference between Republicans and Democrats in the presidential candidate they favor. Only 26.1% of Democrats favored Romney, whereas 66.7% of Republicans supported Romney. Suppose the χ2obs for the 2×2 was found to be 81.93. Use this information for this question and the following question below. Which of the following statements are correct regarding the Z-score? Group of answer choices Z = 81.93, p<0.000000287 Z=9.05, p=0.000000287 Z=9.05, p>0.000000287 Z = 81.93, p=0.000000287 Z=9.05, p<0.000000287Due to the alarming cases of Covid-19, a researcher wanted to study the characteristics of the patients in NCR infected by the virus. Lilliefors, a researcher, considered the following variables: M: age bracket (0-19, 20-39, 40-59, 60 and above) N: last country visited in the past 3 months O: number of days quarantined after manifestation of symptoms P: current status of the patient (mild, moderate, severe) 6. To answer the objective of the study, Lilliefors used different data collection methods. First, she gathered information about the variables of interest by letting the patients answer a self-administered questionnaire. Second, to supplement the data she gathered, she collected the sociodemographic profile of the patients using the data from the Department of Health. The methods of data collection used by Lilliefors are ________. A. objective and subjective, respectively B. subjective and objective, respectively C. objective and use of existing records, respectively…You said the P-value is 0.995339, if that is the p-value, why arent we multiplying 0.995339 by 2 instead of 0.004661? Are you assuming that the p-value 0.995339 is for the left-tail and if so why?
- Can you help me with the code for this in R please? 2. The article ["CSI Effect Has Juries Wanting More Evidence" (USA Today, 2004)](https://usatoday30.usatoday.com/news/nation/2004-08-05-csi-effect_x.htm) examines how the popularity of crime-scene investigation television shows in influencing jurors' expectation of what evidence should be produced at a trial. In a survey of 500 potential jurors, one study found that 350 were regular watchers of at least one crime-scene forensics television series. i) Assuming that it is reasonable to regard this sample of 500 potential jurors as representative of potential jurors in the US, use the given information to construct and interpret a 95\% confidence interval for the proportion of all potential jurors who regularly watch at least one crime-scene investigation series. ii) Using the same sample proportion as part (i), construct a 95\% confidence interval for same proportion but instead use a sample size of 50. iii)…Which of the following is NOT an assumption of the χ2 test? It is a nonparametric test. It is appropriate only for ordinal data. The frequency in each cell should be at least 5. The sample should be randomly selected.I am not understanding what the (normal dist excel) info is and where these numbers come from? and I am not sure what table these numbers come from? when I look at positive z-score table at 0.9-----and go to the last one of .09 it's .8389? Confused.