Doctor A Doctor B
Corrective Lenses Glasses Contacts Corrective Lenses Glasses Contacts
745
643
102
763
651
112
abmit For
Score
726
634
92
736
625
111
5
769
670
99
735
622
113
Comments
765
658
107
759
624
135
756
636
120
748
631
117
742
624
118
756
621
135
757
641
116
765
653
112
748
655
761
647
114
770
649
121
768
646
122
738
629
109
761
646
115
Part B
What is the mean for Doctor A's data set on corrective lenses? What is the mean for Doctor B's data set on corrective lenses?
Write a sentence comparing the number of people who wear corrective lenses in the two data sets.
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Font Sizes
А
A- SE 3 E 3
✓

Which scenarios are most effectively explored by conducting an experiment? there is more than one correct answer. select all that apply. researchers want to study the effectiveness of a particular drug for treating migraines. they want to know which dosage of the drug yields the best results with the least side effects. to ensure fair results, the researchers want to ensure that participants and dosage administrators do not know which dosage participants receive. a teacher wants to plan a class fieldtrip and quickly determine where students prefer to go for the class fieldtrip. a car mechanic wants to know which of two engine brands makes better-performing engines. he wants to test the engines in identical situations and rate their performance in a way that can be fairly measured. a chemist studies the properties of a metal compound. she wants to know how the sample size of the metal affects its ability to conduct electricity. she wants to conduct the research in a controlled environment to minimize bias. a realty company wants to know the average income of its clients. the company wants to gather data income from current clients.