Read and Understand Annabeth wants to find out the severity of ADHD symptoms of her fellow teenagers in their summer camp for special children. She enlists the help of her friends to gather data from 100 campers for her experimental group, and 100 other teenagers for her control group. For her experimental group, she found the following values: m = 4.4; SD = 0.3; variance = 0.09 For her control group, she found the following values: m = 1.5; SD = 0.5; variance = 0.25 Which of the following would be a correct statement for Annabeth to put in her discussion? "Judging by the mean, on average the scores in the experimental group seem to be both higher and more tightly grouped than scores in the control group. However, this must be confirmed with inferential statistics." "Both datasets follow roughly the same O distribution, given the ratio of their SDs to their respective means." Both statements Neither statement Based on the text above, which of the following statements is, WITHOUT DOUBT, absolutely correct While Annabeth could have gathered data from all the campers, gathering data from 100 people is more than enough Without inferential statistics, one can still conclude that the scores of the experimental group is significantly higher than that of the control. The "shape" of the two datasets will differ These descriptive statistics are enough to fulfill Annabeth's objectives Which of the values Annabeth calculated above would she need to discuss first in order to proceed to inferential statistics? The mean values of the two groups The standard deviation and variance of the two groups Both of the above None of the above
Read and Understand Annabeth wants to find out the severity of ADHD symptoms of her fellow teenagers in their summer camp for special children. She enlists the help of her friends to gather data from 100 campers for her experimental group, and 100 other teenagers for her control group. For her experimental group, she found the following values: m = 4.4; SD = 0.3; variance = 0.09 For her control group, she found the following values: m = 1.5; SD = 0.5; variance = 0.25 Which of the following would be a correct statement for Annabeth to put in her discussion? "Judging by the mean, on average the scores in the experimental group seem to be both higher and more tightly grouped than scores in the control group. However, this must be confirmed with inferential statistics." "Both datasets follow roughly the same O distribution, given the ratio of their SDs to their respective means." Both statements Neither statement Based on the text above, which of the following statements is, WITHOUT DOUBT, absolutely correct While Annabeth could have gathered data from all the campers, gathering data from 100 people is more than enough Without inferential statistics, one can still conclude that the scores of the experimental group is significantly higher than that of the control. The "shape" of the two datasets will differ These descriptive statistics are enough to fulfill Annabeth's objectives Which of the values Annabeth calculated above would she need to discuss first in order to proceed to inferential statistics? The mean values of the two groups The standard deviation and variance of the two groups Both of the above None of the above
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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