Advanced Statistics and Data Analysis Quiz

Mia is creating a pie chart for her class project. What percentage of the pie chart represents 32.76 degrees?

• 8.5%

• 9.1%

• 10.2%

• 11.3%

Liam is analyzing the average temperature of a city over a week. If the mean temperature is 7.3°C, and you're given the options 7.1°C, 7.2°C, 7.5°C, and 8.5°C, which is closest to the actual mean?

• 7.1°C

• 7.2°C

• 7.5°C

• 8.5°C

Ethan is analyzing the scores of his classmates in a recent math test. The median score is 10. Which of the following could be the complete set of scores?

• 8, 9, 10, 11, 12

• 7, 8, 10, 11, 14

• 9, 10, 10, 11, 12

• 6, 8, 10, 12, 14

Ava is analyzing the test scores of her classmates. If she's asked to find the median from a set of scores and given options 8.0, 8.2, 8.5, and 9.0, what can she infer about the dataset?

• It's an even-numbered dataset

• The mean is likely close to 8.5

• There are outliers in the data

• The data is normally distributed

Hector Rameriz received three A's and one B in his college courses. What is his grade point average? Assume each course is three credits and A = 4, B = 3, C = 2, D = 1.

• 3.0
• 3.25
• 3.75
• 3.80

Alvin's Bakery produced oat bran muffins each week as follows: Week 1: 700, Week 2: 700, Week 3: 600, Week 4: 500, Week 5: 700, Week 6: 600. In a frequency distribution, which number would have the largest tally?

• 500
• 600
• 650
• 700

If the price of a Jeep today is $25,000 and in 1970 it was $5,000, what is the price relative?

• 20
• 80
• 400
• 500

Henry is analyzing the test scores of his classmates. To avoid distortion due to extreme scores, which measure of central tendency would be most appropriate?

• Mean

• Median

• Mode

• Weighted mean

Charlotte is analyzing data for her school project. Which statement about statistical measures and graphs is incorrect?

• The mean may cause distortions

• A bar graph is the same as a line graph

• The mode is a measurement that records the most frequent value

• A circle graph is based on 360 degrees

Lily is analyzing her weekly sales figures. Calculate the weighted mean from the following sales: $400, $700, $300, $600, $300, $400, $700

• $300

• $400

• $500

• $700