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AKT Data Interpretation and Analysis Flashcards

6 cards from real AKT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which analysis method is used to determine if there is a significant difference between the means of three or more groups?

    Answer: ANOVA

    Analysis of Variance (ANOVA) tests whether the means of three or more groups are statistically different from each other.

  2. In a box plot, the line inside the box represents the:

    Answer: Median

    The line inside the box of a box plot always represents the median (50th percentile) of the dataset.

  3. What does a scatter plot primarily show?

    Answer: Relationship between two continuous variables

    A scatter plot displays individual data points plotted on two axes to visualize the relationship or correlation between two continuous variables.

  4. Which data analysis technique would you use to predict a continuous outcome from one or more predictor variables?

    Answer: Linear regression

    Linear regression models the linear relationship between predictor variables and a continuous outcome variable to make predictions.

  5. A dataset has a mean of 50 and a standard deviation of 5. What percentage of data falls within one standard deviation of the mean in a normal distribution?

    Answer: 68%

    In a normal distribution, approximately 68% of data falls within one standard deviation (±1 SD) of the mean.

  6. When data is described as 'skewed right,' which statement is true?

    Answer: The mean is greater than the median

    In a right-skewed distribution, the tail extends to the right, pulling the mean above the median.