here any statistically significant differences in the characteristics shown amongatments? Justify your answer Your Answer:theQuestion 42Not yet graded /3.5 ptsThe table below summarizes baseline characteristics of patients participating in a clinical trial. a) Arethere any statistically significant differences in baseline characteristics between treatment groups? Justifyyour answer.CharacteristicPlacebo (n = 125)Experimental ( n=125)%3DMean (+ SD) Age54 + 4.553 + 4.90.7856% Female39%52%0.0889% Less than High School Education24%22%0.0386% Completing High School37%36%% Completing Some College39%42%Mean (+ SD) Systolic BloodPressure136 + 13.8134 + 12.40.4736Mean (+ SD) Total Cholesterol214 + 24.9210 + 23.10.8954% Current Smokers17%15%0.0441% with Diabetes8%3%0.0938Your Answer:Question 43Not vot graded (34 nts

Answered: Image /qna-images/answer/e170859e-7983-44eb-92dd-c84e0648c3c2.jpg

Answered: here any statistically significant…

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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Statistics students in Oxnard College sampled 11 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The bivariate data is shown below, Number of Pages (xx) Cost(yy) 942 59.1 453 24.65 789 41.45 473 34.65 302 25.1 567 23.35 482 32.1 511 26.55 285 28.25 529 35.45 477 19.85 Click to Copy-and-Paste DataA student calculates a linear modelyy = xx + . (Please show your answers to two decimal places)Use the model above to estimate the cost when the number of pages is 736Cost = $ (Please show your answer to 2 decimal places.)
magine you are reading a research article about a study that was done, and was analyzed with a Repeated-Measures ANOVA. If the ANOVA Source table and the F-critical are as follows, which APA sentence below is correct? F-critical = 5.14 (found using α=.05) SOURCE SS df MS Fobt Between 10.17 2 5.08 2.58 Within 40.50 9 Participants 28.67 3 Error 11.83 6 1.97 Total 50.67 11 Group of answer choices F(2,6) = 2.58, p > .05, Eta-squared = 0.46 F(2,9) = 5.14, p < .05, Eta-squared = 0.46 F(2,6) = 5.14, p < .05, Eta-squared = 0.64 F(2,9) = 2.58, p > .05, Eta-squared = 0.64
The p-value for a t-statistic was .008. What is the best way to report the level of significance? p<.008 p<.05 p<.01 p<.001
You work at Happy Joe's family restaurant and want to see if customer meal satisfaction and gender are related to one another. You take a sample of customers and ask them if they were satisfied with their meal and note their gender. What is the appropriate conclusion at the 0.05 level of significance? Unhappy Indifferent Happy Male 23 24 21 Cross Tabulation of Satisfaction vs. Gender Female Pearson Chi-square= 9.879 DF = 4 P-value = 0.0425 26 16 16 Unknown 11 28 14
What does it mean for a test result to be statistically significant? Describe the relationship between alpha level, critical regions, and "p"
Salma claimed that the gas price in Blue Park neighborhood (mean of $3.65) is higher than that in Green Spring (mean of $3.59). She obtained the t-value of 2.223 after calculating data from 6 gas stations in Blue Park and 5 gas stations in Green Spring. Use the chart below and determine if Salma's claim is supported! Table 10-3. Critical values of "t" significance level p= 0.05 significance level p= 0.01 TP 1 12.706 63.657 2 4.303 9.925 3 3.182 5.841 2.776 4.604 5 2.571 4.032 6 2.447 3.707 7 2.365 3.499 2.306 3.355 9 2.262 3.250 10 2.228 3.169 11 2.201 3.106 Copy the following into your text box, fill in the blanks, and answer the questions A. The degree of freedom is: B. The t-calculated value is: and the t-critical value is : C. Comparison: t-calc t-crit (answer with ()) D. Is the null hypothesis accepted or rejected? Explain how you determined that! Also, explain what it means to reject or accept the hypothesis! E. Explain if Salma's claim is supported based on your t-value…
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Study Purpose: The purpose of this randomized controlled trial was to determine the impact of an app-based digital care program to treat chronic lower back pain compared to usual treatment. Post intervention pain scores were measured using Korff pain measurement scale that ranges from 0 (minimum) to 100 (maximum). The results for this study are summarized in the table below. Table: Mean Pain Reports Change in mean Change in mean Mean difference P- value pain score pain score (95% CI) Intervention group Control group (n=113) (n=64) Korff pain score -25.3 1.6 -26.9 (-33.8, -20) <0.001 Answer the following questions using data from the table above: 1. Is the result for the primary outcome (pain) statistically significant? Answer: YES or NO 2. Explain your answer

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