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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?
TLS Online TPP Program
#Question id: 16898
#Section 3: Mathematics and Quantitative Ecology
A significance test based on a small sample may not produce a statistically significant result even if the true value differs substantially from the null value. This type of result is known as
TLS Online TPP Program
#Question id: 16899
#Section 3: Mathematics and Quantitative Ecology
Which of the following is not a possible explanation for this finding?
TLS Online TPP Program
#Question id: 16900
#Section 3: Mathematics and Quantitative Ecology
Which of the following is a valid conclusion from this finding?
TLS Online TPP Program
#Question id: 16901
#Section 3: Mathematics and Quantitative Ecology
The best way to determine whether a statistically significant difference in two means is of practical importance is to