skip if you arleady did this otherwise downvote Read and UnderstandAnnabeth wants to find out the severity of ADHDsymptoms of her fellow teenagers in their summercamp for special children. She enlists the help ofher friends to gather data from 100 campers forher experimental group, and 100 other teenagersfor her control group.For her experimental group, she found thefollowing values:m = 4.4; SD = 0.3; variance = 0.09For her control group, she found the followingvalues:m = 1.5; SD = 0.5; variance = 0.25Which of the following would be acorrect statement for Annabeth to putin her discussion?O"Judging by the mean, on average thescores in the experimental group seem tobe both higher and more tightly groupedthan scores in the control group. However,this must be confirmed with inferentialstatistics."O"Both datasets follow roughly the samedistribution, given the ratio of their SDs totheir respective means."OBoth statementsBased on the text above, which of thefollowing statements is, WITHOUTDOUBT, absolutely correctNeither statementWhile Annabeth could have gathered dataO from all the campers, gathering data from100 people is more than enoughWithout inferential statistics, one can stillconclude that the scores of theexperimental group is significantly higherthan that of the control.The "shape" of the two datasets will differThese descriptive statistics are enough tofulfill Annabeth's objectivesWhich of the values Annabethcalculated above would she need todiscuss first in order to proceed toinferential statistics?O The mean values of the two groupsThe standard deviation and variance of thetwo groupsBoth of the aboveO None of the above14I

The mean and standard deviation (SD) of the experimental group is observed as 4.4 and 0.3,…

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

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter11: Data Analysis And Displays

Section11.3: Shapes Of Distributions

Problem 20E