Question 13 📊 What formula is used to determine the number of classes (k) in a frequency distribution? A) Range ÷ 2 B) Sturges’ Rule: k = 1 + 1.44 ln(n) C) (Max + Min) ÷ 2 D) Number of data points ÷ 5

Question 15 📊 If the class limits are 10-19, 20-29, 30-39, what are the class midpoints?

Question 12 📊 If the lowest value in a dataset is 10 and the highest is 50, what is the range?

Question 21 📊 What does standard deviation measure?

Question 2 📉 What does a Pareto chart display? A) Individual and cumulative frequencies B) Only individual frequencies C) The relationship between two variables D) Skewness of data

Question 17 📊 If you have a bimodal dataset, what does it mean?

Question 1 📊 What type of chart is best for showing trends over time? A) Bar Chart B) Line Graph C) Pie Chart D) Stem-and-Leaf Plot

Question 7 📊 How do you remove gaps between bars in an Excel histogram? A) Change chart type B) Reduce bar width to 50% C) Set gap width to 0% D) Use a line graph instead

Question 9 📊 The range of a dataset is calculated by: A) Adding all values together B) Subtracting the smallest value from the largest C) Finding the most frequent value D) Dividing the sum by the number of values

Question 24 📊 True or False: A dataset with a higher standard deviation is more spread out.

Question 18 📊 True or False: The median is affected by extreme values (outliers).

Question 4 🔢 What is the mode of this dataset: 5, 7, 8, 7, 9, 10, 7, 5, 8?

Question 10 📊 What is the standard deviation used for?