# statistics

posted by .

In a study of cold symptoms, every one of the study subjects with a cold was found to be improved two weeks after taking ginger pills. The study concluded that ginger pills cure colds. Does this conclusion seem reasonable? What other conclusion could be reached instead?

• statistics -

Was there a control group taking placeboes? If they also improved in two weeks, it is probably a placebo effect.

## Similar Questions

1. ### Communication Studies

Professor Nostradamus conducted an empirical or observed communications study in his laboratory where he convincingly found a connection between two variables. The link concluded that Variable “X” always increased when the subject …
2. ### sets

in a school, 37% of the pupils study principle of accounts and 28% study principal of business. if 15% study both business subjects what percentage of the pupils do not study neither, study P.O.B only and study P.O.A only
3. ### statistics

A researcher reports an F-ratio with df = 2, 36 from an independent-measures research study. Based on the df values, how many treatments were compared in the study and what was the total number of subjects participating in the study?
4. ### algebra

-If A and B are two different numbers selected from the first thirty counting numbers from 1 to 30 inclusive, what is the largest possible value of A+B/ A-B?
5. ### math

A quasi-scientific study was done to find some link to autism. In the study, it was found that children who had an autistic tendency were delivered after an average of about 30 hour labor. They all weighed an average of 10 pounds. …
6. ### statistic

A study was conducted to determine the effectiveness of varying amounts of vitamin C in reducing the number of common colds. A survey of 450 people provided the following information: Daily amount of vitamin C taken None 500 mg 1000 …
7. ### St.Peter's Boys Senior High School

In a class of 500 students,60 study geography,40 study English,30 study geography and history,25 study English and history,if 10 study all the three subjects,find using venn diagram the number of students who study none of the three …
8. ### Maths

In a survey of 200 students of a school, it was found that 60% study mathematics, 45% study physics, 35% study chemistry, 20% study mathematics and physics, 15% study physics and chemistry, 25% study chemistry and mathematics and 10% …
9. ### Mathematics

A survey of 100 students produced the following statics: 32 study mathematics, 20 study physics, 45 study Biology, 15 study mathematics and biology, 7 study mathematics and physics, 10 study physics and Biology, 30 do not study any …
10. ### Math

In Mike's English class at university there are 178 students, of whom 51 also study history and 44 also study statistics. There are another 85 students who also study history, of whom 25 study statistics also. Another 35 students study …

More Similar Questions