A CHI-SQUARE TEST FOR INDEPENDENCE ASSESS WHICH OF THE FOLLOWING?

1. WHETHER THERE IS A RELATIONSHIP BETWEEN 2 CATEGORICAL VARIABLES.

2. WHETHER THERE IS A RELATIONSHIP BETWEEN THE POPULATION AND THE SAMPLE

3. WHETHER THERE IS A SIGNIFICANT DIFFERENCE BETWEEN SCORES TAKES AT A TIME 1 AND THOSE TAKEN AT TIME 2

4. IT ASSESSES WHETHER THE MINIMUM NUMBER OF CASES EXCEEDS RECOMMENDED BOUNDARIES

2. WHICH TERM CAN BE USED IF IN A CONTINGENCY TABLE YOUR EXPECTED CASES WERE FEWER THAN WHAT IS REQUIRED FOR A CHI-SQUARE TEST?

1. CHI-SQUARE TEST FOR INDEPENDENCE

2. TWO INDEPENDENT SAMPLE T TEST

3. FISHER'S EXACT PROBABILITY TEST

4. PAIRED SAMPLE T TESTS

3. CONTINGENCY TABLES AND DEGREES OF FREEDOM ARE KEY ELEMENTS OF THE CHI-SQUARE TEST

TRUE OR FALSE

4. WHEN AN ODDS RATIO IS CALCULATED FROM A 2X2 TABLE

1. THE ODDS RATIO IS A MEASURE OF THE STRENGHT OFTHE RELATIONSHIP BETWEEN THE RISK FACTOR AND DISEASE VARIABLES

2. THE RATIO MAY TAKE ANY POSITIVE OR NEGATIVE VALUE.

3. AN ODDS RATIO OF 5 INDICATES THERE IS NO INCREASE IN ODDS OF DISEASE AMONG THE EXPOSED GROUP.

5. AN ODDS RATON OF 0.50 INDICATES THERE IS AN INCREASE IN ODDS OF DISEASE AMONG THE EXPOSED GROUP.