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TLS Online TPP Program
#Question id: 16892
#Section 3: Mathematics and Quantitative Ecology
A test to screen for a serious but curable disease is similar to hypothesis testing, with a null hypothesis of no disease, and an alternative hypothesis of disease. If the null hypothesis is rejected treatment will be given. Otherwise, it will not. Assuming the treatment does not have serious side effects, in this scenario it is better to increase the probability of:
TLS Online TPP Program
#Question id: 16893
#Section 3: Mathematics and Quantitative Ecology
A random sample of 25 college males was obtained and each was asked to report their actual height and what they wished as their ideal height. A 95% confidence interval for μd = average difference between their ideal and actual heights was 0.8" to 2.2". Based on this interval, which one of the null hypotheses below (versus a two-sided alternative) can be rejected?
TLS Online TPP Program
#Question id: 16894
#Section 3: Mathematics and Quantitative Ecology
The average time in years to get an undergraduate degree in computer science was compared for men and women. Random samples of 100 male computer science majors and 100 female computer science majors were taken. Choose the appropriate parameter(s) for this situation.
TLS Online TPP Program
#Question id: 16895
#Section 3: Mathematics and Quantitative Ecology
If the word significant is used to describe a result in a news article reporting on a study,
TLS Online TPP Program
#Question id: 16896
#Section 3: Mathematics and Quantitative Ecology
A random sample of 5000 students were asked whether they prefer a 10 week quarter system or a 15 week semester system. Of the 5000 students asked, 500 students responded. The results of this survey ________
TLS Online TPP Program
#Question id: 16897
#Section 3: Mathematics and Quantitative Ecology
In a report by ABC News, the headlines read “City Living Increases Men’s Death Risk” The headlines were based on a study of 3,617 adults who lived in the United States and were more than 25 years old. One researcher said, “Elevated levels of tumor deaths suggest the influence of physical, chemical and biological exposures in urban areas... Living in cities also involves potentially stressful levels of noise, sensory stimulation and overload, interpersonal relations and conflict, and vigilance against hazards ranging from crime to accidents.” Is a conclusion that living in an urban environment causes an increased risk of death justified?