1. Given the lengths: <span>3, 4, 5, 5, 6, 7, 8, 9, 10 The median of the data, will be the middle number. From the data shown the middle number is: B] 6
2. The mean is more affected by outliers since it takes into account all the values in a given set of data. Thus existence of outliers will greatly affect the mean. Hence the correct answer is A]
3. Given the math test scores of Mrs. Hunter's class, the range is given by: Range=(maximum value)-(minimum value) thus: Maximum value=100 Minimum value=48 therefore plugging in the formula: Range=100-48=52 Answer: B]
4. From the given heights of 13 plants: </span><span>6, 9, 10, 10, 10, 11, 11, 12, 12, 13, 14, 16,17. </span>The IQR is given by: IQR=(upper quartile)-(lower quartile) upper quartile=(14+13)/2=13.5 lower quartile=(10+10)/2=10 thus IQR=13.5-10=3.5 Answer: A]3.5
