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Shown Below Are the Data and Summary Statistics for the Reading

Question 127

Multiple Choice

Shown below are the data and summary statistics for the reading scores of 29 fifth graders. 1.31.52.12.52.73.13.43.63.73.84.14.24.34.54.64.74.74.84.85.15.15.25.35.45.45.65.65.85.9\begin{array} { l l l l l l l l } 1.3 & 1.5 & 2.1 & 2.5 & 2.7 & 3.1 & 3.4 & 3.6 \\3.7 & 3.8 & 4.1 & 4.2 & 4.3 & 4.5 & 4.6 & 4.7 \\4.7 & 4.8 & 4.8 & 5.1 & 5.1 & 5.2 & 5.3 & 5.4 \\5.4 & 5.6 & 5.6 & 5.8 & 5.9 & & &\end{array}  Count  Mean  Median  StdDev  Min  Max  Q1  Q3 294.24.61.31.35.93.505.25\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 & 3.50 & 5.25\end{array} Write a brief summary of the performance of the fifth graders.


A) The distribution is unimodal and skewed to the left.The median is 4.6,while the mean is 4.2,lower than the median score.The middle 50% of the weekly salaries are between 3.50 and 5.25,for an IQR of 1.75.There are no outliers.
B) The distribution is unimodal and skewed to the right.The median is 4.6,while the mean is 4.2,lower than the median score.The middle 50% of the weekly salaries are between 3.50 and 5.25,for an IQR of 1.75.There are no outliers.
C) The distribution is unimodal and skewed to the left.The median is 4.6,while the mean is 4.2,lower than the median score.The middle 50% of the weekly salaries are between 3.50 and 5.25,for an IQR of 1.75.The score of 1.3 is an outlier.
D) The distribution is skewed to the right.The median is 4.2,while the mean is 4.6,higher than the median score.The middle 50% of the weekly salaries are between 3.6 and 5.2,for an IQR of 1.6.There are no outliers.
E) The distribution is unimodal and skewed to the left.The median is 4.6,while the mean is 4.2,lower than the median score.The middle 50% of the weekly salaries are between 3.6 and 5.2,for an IQR of 1.6.There are no outliers.

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