Grade 8 Data Word Problems

Grade 8 Data Word Problems

Read each word problem carefully and answer the questions based on the data provided. Show all your work.

1. The following data represents the number of hours students spent studying for a math test: 5, 7, 3, 8, 5, 6, 7, 4, 9, 5. a) Calculate the mean, median, and mode of the study hours.

b) What is the range of the study hours?

2. A survey asked students about their favorite type of music. The results are shown in the bar graph below. Which two genres together represent more than half of the students surveyed?

3. A scatter plot shows the relationship between the number of hours spent exercising and the number of calories burned. If the scatter plot shows a general trend where more exercise hours lead to more calories burned, this indicates a   correlation.

4. True or False: If a data set has an outlier, the mean is always a better measure of central tendency than the median.

5. A company recorded the sales figures for their new product over 6 months: $12,000, $15,000, $13,000, $18,000, $16,000, $20,000. a) What is the average monthly sales figure?

b) If the company's goal was to have an average of $16,000 in sales per month, did they meet their goal? Explain.