Grade 11 and 12 Mathematics (Moderator: geoffrey)

Sometimes an association between two variables is due to __________, even though the odds of it ...

Started by LaDunn

Even in a well designed experiment, there will always be confounding variables that we have ...

Started by amal

If a randomized experiment cannot be done, then four non-statistical considerations must be used ...

Started by Ebrown

Which of the following, if left to stand alone, is the weakest evidence of a possible causal ...

Started by jparksx

Which of the following cannot be obtained from observational studies? a. Definitive evidence of a ...

Started by piesebel

It is very difficult to establish a causal connection between two variables without the use of ...

Started by rayancarla1

A table that displays the number of individuals who fall into each combination of categorical ...

Started by clmills979

When researchers report relative risks and/or odds ratios, they often adjust them to account for ...

Started by nummyann

Suppose a new medical study at a research university shows that a woman's chance of developing ...

Started by student77

What does Simpson's Paradox teach us? a. The nature of an association can reverse direction when ...

Started by jazziefee

Suppose you are on a jury in a trial someday. How could you encounter Simpson's Paradox? a. You ...

Started by Davideckstein7

Simpson's Paradox makes it clear that it is dangerous to __________ information across groups, ...

Started by piesebel

Suppose you observe a relationship between two categorical variables in a sample based on 22,000 ...

Started by Mr3Hunna

Which of the following differences in percentages for the two categories of an explanatory variable ...

Started by ts19998

The question researchers are really asking when they are looking for a relationship between two ...

Started by jman1234

Suppose you want to investigate whether there is a relationship between the gender of college ...

Started by jjjetplane

Your mother-in-law says that rubbing a carpet stain with toothpaste before applying stain remover ...

Started by Ebrown

The __________ hypothesis is usually written to express the fact that nothing is happening.' Fill ...

Started by V@ndy87

Which of the following statements is true about chi-square tests? a. A large chi-square test ...

Started by Lisaclaire

A measure of how unlikely the test statistic would be if the null hypothesis were true is the ...

Started by justinmsk

If two variables have a statistically significant relationship that does not necessarily mean the ...

Started by tichca

Suppose a chi-square test statistic from a sample of size 1,000 is 38.2 with a p-value of .0001, so ...

Started by JMatthes

Suppose there is not enough evidence to conclude that the relationship in the population is real. ...

Started by pane00

A minor relationship that is found to be __________ significant is not necessarily __________ ...

Started by corkyiscool3328

A minor relationship in the population may achieve __________ significance but fail to achieve ...

Started by folubunmi