Correlation and Regression — Flashcards

Flashcard 1: Values such as rank orders, or mild-moderate-severe represent _____ scale data

Answer: ordinal

Flashcard 2: Nominal and ordinal scale data represent _____ type of data scales

Answer: qualitative (qualitative/quantitative)

Flashcard 3: What type of distribution is characterized by a long tail on the left side and Mean < Median < Mode?

Answer: Negatively skewed (Left-skewed)

Extra: In a negatively skewed distribution, the tail is on the left side (lower values). The relationship between measures of central tendency is: Mean < Median < Mode.

Flashcard 4: _____ t-test is used to compare two groups of patients for a quantitative variable

Answer: Unpaired/student

Flashcard 5: _____ analysis is done to include the dropouts of the trial in RCT

Answer: Intention-to-treat (ITT)

Flashcard 6: What type of distribution is this? _____

Answer: Normal

Flashcard 7: What type of distribution is this? _____

Answer: Negative/Left

Flashcard 8: What type of distribution is this? _____

Answer: Positive/Right

Flashcard 9: What type of bar graph is represented below? _____

Answer: Compound bar graph

Flashcard 10: The given image is of a _____.

Answer: frequency polygon