The warm counter current known as El niño moves southward along the coast of peru each year around christmastime. When this counter current flows strongly, it displaces the cold peru current offshore and results in:

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?

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?