Question

2. Multiple Choice: Choose the Appropriate Methodology Consider the following statistical statistical models / methodologies: (a) Two-sample t-test (b) One-Way ANOVA using Dummy Coding (c) One-Way ANOVA using Cell Means Coding (d) One-Way ANOVA using Effects Coding (e) Two-Way ANOVA (f) Post-Hoc Analysis g) RCB (Completely Randomized Block Design) (h) BIBD (Balanced Incomplete Block Design) (i) ANCOVA (Analysis of Covariance) (i) Repeated Measures (k) None of the above 10 people to determine which of two types of insect one arm is randomly selected to receive the first type of insect repellent while the second type of repellent is applied to the I) A study is conducted using repellent is more effective. For each person, other arm. After 5 hours, the number of insect bites is counted on each arm. letter grade (A,B,C,D,E,F) that students in her class receive. an association between gender and the g machines are compared to determine if one machine will pack faster IV) A biologist is interested in the effecet of the type of bird species on the mumber of II) A teacher wishes to determine if there is III) Two packin on average than the other eggs laid, but also measures the weight of each bird as it would be influential. V) In a psychological ical experiment, children were randomized into three equal groups and given an exercise regime for 6 months. Group A was to do no exercise (None), wereir Low), and Group C would do strenuous exercise (High). The children were then assessed by their parents on a scale of0 improvement was seen in their studies. We are interested in Group B did a low amount of exercise ( to 10 for how much estimating the treatment effect of each exercise regime. VI) A One-Way ANOVA has detected that there are differences between treatment means. We wish to determine which treatment is the most effective. vii) In an experiment, psychology students were randomly assigned to receive exams that varied in paper colour (white, red) and in the difficulty of the questions (simple, medium, difficult). The goal is to determine if the impact of the question difficulty on the students' score differs by paper colour logical experiment, children were randomized into throe equal groups and given an exercise regime for 6 months. Group A was to do no exercise (None), Group B did a low amount of exercise (Low), and Group C would do strenuous to 10 for how much improvement in those who did no exercise. exercise (High). The children were then assessed by their parents on a scale of 0 ent was seen in their studies. We are particularly intcrested in comparing the improvement of childran who did strenuous exercise to IX) A distillery is interested in comparing the taste of 7 differest bees 14 subjects will be asked to taste 3 different beers each and score the taste on a scale of 1-10. X) A resin was derived from tree bark and dissolved in a solvent in two different con- centration doses: 5 mg and 10 mg. On the first day, 25 termites were put in each iglht dishes of each of two resin doses. The number of termites alive in each dish on cach of days 5, 10, 15 is recorded. Both dose and variables. We are interested in investigating if the offect of the dose on termite survival changes over time. days are considered categorical

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Answer 1

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