A teacher give special crayons to children who want to improve their drawings and later rates their drawings asthe best in class. What does this study lack?BDa hypothesis and a methoda result and an interpretationan independent variable and a dependent variablerandom assignment and a blind observer

We check all of the given options Hypothesis and method: The scenario clearly mentions the…

Answered: A teacher give special crayons to…

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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Alignment Font Clipboard fe L2 E G. H. K A. C D Problem: Customers are complaining about sandwich leagth You are the owner of three local sandwich shops. Recently you've received complaints from customers that their "footlong" sub sandwiches were les than 12 inches long. As a measure of 1 quality assurance, data was collected on all footlong sub sondwiches made over the pcriod of an hour at cach store. Determined which, if any, of your stores are making sub sandwiches that are significantly shorter than 12 inches. You will conduct three t-tests, one for coch store. You want 4 6. to be 95% confident in your recults. (Note. This case is inspired by reality. Scarch the internet for "claims over footlong sub' for a historical perspective and how a company used statistics to incure consistent quality.) 17 10 11 SandwicL Measuremeat: 12 Store 1 Store 2 Store 3 Statistics Store 1 Store 2 Store 3 13 8.8 3.1 9.0 Somple Size Mean (length) 14 11.4 11.6 12.5 15 13.4 13.4 15.1 Variance Standard…
Contingency table analysis (test of independence)Each home sold by Lakeland Homes can be classified according to the price level andto the style. The management would like to determine if the price of the home and thestyle of the home are independent variables. With the observed data given in thefollowing table and with a significance level of of  = 0.05, conduct a formalhypothesis test to help the management in decision making process.Price Level Colonial Log Split A Frame <= $100,000 18 6 19 12 > $100,000 12 14 16 3
Only one can be chosen
cic X Quizzes - Social Statistics - Tenne X B Feedback for Informative/Persua X Which S tps://elearn.tnstate.edu/d2l/Ims/quizzing/user/attempt/quiz_start_frame_auto.d2l?ou= Exam 1 Andrew Kosia: Attempt 1 Question 12 (2 points) . Social class is an example of a(n) variable. sample data O ordinal O population 45 Question 13 (2 points) Saved 48 Which of the following are dichotomous variables? gender color oyment hp
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missing word on the right is "child" One study shows that a neglectful parenting style is related to more aggressive behavior in children, but that this relationship depends on the child's temperament. If the d has a negative temperament, the relationship is stronger. What multivariate relationship is involved here? O Interaction effect O Direct and indirect effects O Spurious relationship O Simpson's Paradox
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Part 3. Problem Solving Note: Please ensure that all pasted screenshots can be read before submitting. The best way is to convert this part to a PDF file. If you have the following results for a study as shown in the table below, write an analysis of the table and of the inferential test result. Your answer should not be less than three sentences. (6 pts) Distribution of Buyers by Purchase of X Good According to Card Membership Are you a Card Member? Frequency Mean Yes 178 1.9 No 104 1.94 t computed = -1.118 Sig. (2-tailed) = 0.265 Note: Research is about the buyers who reported being a Card member compared to those that were not Card Members in relation to the number of times the buyer had purchased X good.
Give the degrees of freedom for the chi-square test based on the two-way table. Strongly Agree Strongly Disagree Agree Neutral Disagree Control 40 50 15 10 Treatment 60 45 10 Degrees of freedom =
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_____ ___ _ examines whether a measuring device (scale) covers the full range of meanings or forms that are included in a variable to measure. a.Face validity b.Construct validity c.Predict validity d.Content validity

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A teacher give special crayons to children who want to improve their drawings and later rates their drawings a: the best in class. What does this study lack? B a hypothesis and a method a result and an interpretation an independent variable and a dependent variable