Mathematics, 24.12.2019 03:31 marrissajade61191
An investigator attempted to ascertain effects of hunger on aggression in cats. she took 10 cats, kept them in individual cages, and put them on a food deprivation schedule such that at the end of two weeks the cats weighed 80% of their normal body weight. she then put the cats in pairs for 15 minutes and watched to see if aggression or fighting would occur. in all cases, the cats showed the threat posture, and in most cases fighting occurred. concluded that hunger increases aggression in cats. a. what are the experimental units? b. what is the explanatory variable? c. what is the response variable? d. what is the interacting variable? e. what is the population? f. who is the control group? g. what is the dependent variable?
Answers: 3
Mathematics, 21.06.2019 17:30
Nine more than four times a number is the same as one less than twice the number. find the number?
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Mathematics, 22.06.2019 00:30
Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.
Answers: 1
Mathematics, 22.06.2019 02:30
Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? a. 3x^2 + 38x + 55 b. 4x + 16 c. 5x + 16 d. 3x^3 + 38x^2 + 55x
Answers: 1
Mathematics, 22.06.2019 06:20
What is the height of a cylinder with a volume of 384x cubic inches and a radius of 8 inches? round to the nearest tenth of an inch
Answers: 3
An investigator attempted to ascertain effects of hunger on aggression in cats. she took 10 cats, ke...
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