Shown Below Are the Histogram and Summary Statistics for the Reading

question 32

Multiple Choice

Shown below are the histogram and summary statistics for the reading scores of 29 fifth graders. $$\begin{array} { c | c | c | c | c | c | c | c } \text { Count } & \text { Mean } & \text { Median } & \text { StdDev } & \text { Min } & \text { Max } & \text { Q1 } & \text { Q3 } \\\hline 29 & 4.2 & 4.6 & 1.3 & 1.3 & 5.9 & 3.5 & 5.4\end{array}$$ Which measures of centre and spread would you use for this distribution?

• A)Mean and IQR,because the data is skewed to the left.
• B)Median and standard deviation,because the data is skewed to the left.
• C)Mean and standard deviation,because the data is skewed to the left.
• D)Mean and standard deviation,because the data is symmetric.
• E)Median and IQR,because the data is skewed to the left.

---

Definitions:

IQ Tests

Standardized tests designed to measure human intelligence and cognitive abilities in relation to an age group.

Genetics

The branch of biology concerned with the study of genes, genetic variation, and heredity in organisms.

Triarchic Theory

A theory of intelligence proposed by Robert Sternberg, stating that human intelligence comprises analytical, creative, and practical dimensions.

Sternberg

Robert Sternberg, an American psychologist who proposed the triarchic theory of intelligence, which includes analytical, creative, and practical intelligence.