-Unknown Mixtures Lab- Purpose: The aim of this experiment was to find out the two substances of the unknown mixture from salt‚ sugar‚ dirt‚ and baking soda by looking at its properties. Hypothesis: Find the unknown substance by testing it out by heating it‚ pouring water‚ vinegar‚ and observing it . Procedure: 1) Materials- * 100ml of water * Vinegar * Bunsen Burner * 2 beakers * 1 spatula 2) First‚ do steps (3-6)to find out the properties of salt‚ sugar
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Tutorial Note 5 • Chapter 17 Hypothesis Testing • Chapter 18 Measures of Association Objective: Computer laboratory session (II) – Please refer to the Computer Lab Notes Discussion Question 1 H0 – Null Hypothesis: a statement you want to reject (E.g Average = 50) H1/HA – Alternative Hypothesis: a statement you want to prove (E.g Average is not 50) What is related/dependent sample? H0: Tutorial is NOT effective H1: Tutorial is effective |Respondent |Before
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Business Statistics‚ 9e (Groebner/Shannon/Fry) Chapter 10 Estimation and Hypothesis Testing for Two Population Parameters 1) The Cranston Hardware Company is interested in estimating the difference in the mean purchase for men customers versus women customers. It wishes to estimate this difference using a 95 percent confidence level. If the sample size is n = 10 from each population‚ the samples are independent‚ and sample standard deviations are used‚ and the variances are assumed equal‚ then
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Test Critique General Information Theodore Million‚ Carrie Million‚ Roger Davis‚ and Seth Grossman wrote Millon Adolescent Clinical Inventory (MACI) and Pearson published it in 1993. The second edition has been available since 2006. Starting kit is $125‚ includes MACI manual and answer sheets: all materials necessary to conduct 3 assignments and receive interpretive reports using the mail-in scoring services. The manual alone is $45.50 (Pearson‚ 2015). The Millon Adolescent Clinical Inventory (MACI)
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Research Methods Test 1.) Triangulation in a qualitative research study is used to formulate valid and reliable conclusion and can use different methods to search or to gather data. Collecting and comparing information from different aspects can confirm reliability as well as validity. Triangulation in qualitative research not only involves the researcher‚ but gives peer researchers a chance to view how the study was conducted and interpret it in their own way which can influence the final
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Social Navigation Hypothesis suggests that conditions cataloged as "illness‚ or "disorder" were beneficial to our survival. This theory affirms that what we would categorize as mental illness benefits us by urging us to integrate for a higher rank in society. I would like to think this has no correlation with beauty‚ or weight as our ancestors did not have IG makeup tips in the past‚ nor did they care about dieting. However‚ it does indicate that our mental "illnesses" are actually the motivation
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Fundamentals of Hypothesis-Testing Methodology Hypothesis testing typically begins with a theory‚ a claim‚ or an assertion about a particular parameter of a population. Some of them are: • The Null and Alternative Hypotheses The hypothesis that the population parameter is equal to the company specification is referred to as the null hypothesis. A null hypothesis is often one of status quo and is identified by the symbol H0. Whenever a null hypothesis is specified‚ an alternative hypothesis is also
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Hypothesis Testing PSY/ 315 University of Phoenix May 2015 What is Hypothesis Testing? O “[…method for determining the probability of an observed event that occurs only by chance” (Allua & Thompson‚ 2009). O Two hypothesis types: null and research O Does not prove but suggests that the hypothesis is plausible O Five steps of the method Null Hypothesis O No difference between groups compared O The difference is null O In a control and treatment group it states that the treatment had no effect
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Nonparametric Test Education is even more important than ever today for anyone interested in entering the world of employment with either large international corporations‚ or even local vendors serving the community within the area where one lives. In an ongoing effort by our research team to determine if the difference in the wages from our sample population of men and women‚ who have various levels of education‚ does in fact make the difference. We are looking to use an additional test to discover
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Proteins Purpose: To test for the presence of starches and protein macromolecules‚ to introduce the concept of variations in chemical compounds. Hypothesis: If biuret is blue after a test for protein‚ then it is a negative result because biuret reagent is blue to begin with. If a solution is pinkish purple‚ or purple‚ then the test for protein is positive. The test solution for starches is yellowish brown. If any substance that is yellowish brown when mixed with iodine‚ then the test for starches is
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