Question 8 📊 What is the median of this dataset: 12, 14, 15, 16, 18?

Question 16 📊 What is the mean of this dataset: 4, 6, 8, 10, 12?

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

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 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 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 5 📊 What is the formula for the mean (𝑥̄)?

Question 22 📊 What is the formula for sample variance?

Question 25 📊 What does a positively skewed dataset look like?

Question 14 📊 How do you calculate class width?

Question 23 📊 If the range of a dataset is 40 and it has 8 classes, what is the class width?