Besc exam 1 Study guides, Class notes & Summaries

BESC 3010 Exam 1 Questions And Answers 100% Verified. nominal level of measurement - correct cterized by data that consist of names, labels, or categories only, and the data cannot be arranged in an ordering scheme (such as low to high) ordinal level of measurement - correct answer.a measurement of a variable in which the numbers indicating a variable's values specify only the order of the cases, permitting greater than and less than distinctions interval level of measurement -...

UVU BESC 3010 Exam Questions and Answers Graded A+ When a distribution of raw scores is converted to z-scores, the shape of the distributions... - Answer-remains the same When a distribution of raw scores is converted to z-scores, the mean and standard deviation of the distribution will be... - Answer-M=0, SD=1 If a person has a z-score of 1 on a test, then their score is... - Answer-one standard deviation above the mean What percent of the normal distribution is within one standard ...

BESC 3020 Exam 3 Questions with All Correct Answers What is statistical significance? - Answer-A general term referring to the likelihood or probability that relationships observed in a sample could be attributed to or due to sampling error alone. Identify the common used tests of statistical significance and their key differences. - Answer-Chi Test: A commonly used test of statistical significance when both the independent and dependent variables are nominal or ordinal variables. t-tes...

BESC 320 Exam Questions Marking Scheme New Update What are the ingredients of life? - Answers -water, carbon dioxide, nitrous oxides, and mineral ions What is meant by self-contained vacuole? - Answers -humans are mostly water, and water facilitates all of the reactions in our bodies Why is water polar? - Answers -the two positively charged hydrogen atoms are on one side, while the larger, negative oxygen atom on the opposite side What are properties of water that result from polarit...

BESC 3010 Exam 2 Questions And Answers Latest Top Score. Inferential statistics are typically contrasted with _____ statistics. - correct iptive Which of the following is a defining characteristic of experiments? - correct answer.Manipulations In an experiment, the variable that the researcher manipulates is called the _____ variable. - correct endent If a researcher is able to survey 99% of all students enrolled in statistics classes at a college, then that researcher has g...

BESC 367 Chapter 8 Exam Answers Current Update (100% Pass) Hazardous Waste (as defined by RCRA) - Answers -Mutagen, Teratogen, Carcinogen: (in order) causes hereditary changes through mutations; causes fetus deformities; causes cancer Minamata Bay disease - Answers -(, Japan) physical and mental impairments caused by methyl mercury (CH3Hg)+ poisoning Love Canal, NY - Answers -(1950s +) chemicals buried in old canal; school and homes built over it; caused birth defects and cancer M...

BESC 3010 Final Exam Questions And Answers 100% Verified. What inferential test should be used to compare two sample means to each other? - correct two-sample t-test The most important difference between Cohen's d and the t-test is that Cohen's d... - correct not affected by sample size What is the formula for the degrees of freedom (df) for a two-sample t-test? - correct answer.n-2 if a researcher wants to compare the effects of an antidepressant to the effects of a pla...

BESC Final Exam Answers Current Update (100% Pass) Which inferential test should be used to compare two sample means to each other? - Answers -The two-sample t-test The most important difference between Cohen's d and the t-test is that Cohen's d ... - Answers -is not affected by sample size What is the formula for the degrees of freedom (df) for a two-sample t-test? - Answers -n-2 If a researcher wants to compare the effects of an antidepressant to the effects of a placebo on level...

BESC Exam 1 Chapters 1-5 A variable that classifies people into racial or ethnic groups is what level of measurement? - Answer- nominal The number of students enrolled at UVU each year is an example of which level of measurement? - Answer- ratio The amount of time that a person spends on social media each week in minutes is a(n) _____ variable. - Answer- ratio If a person's sex is coded as Male = 0 or Female = 1, then that variable is at the _____ level of measurement. - Answer- nom...

Categorical variable - Answer-Indicates different categories. Ex: gender, college major etc. Nominal variable - Answer-The variable consists of names of categories. The coding system is arbitrary. Ordinal variables - Answer-Indicates first, second, third, etc. rank variables. Quantitative variables - Answer-You can measure the size of the differences between scores and not just that they are different. Divided into interval and ratio. Interval variable - Answer-They indicate the size...