Finding the Mean

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10 questions

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- Q1How do you find the mean of a data set?The mean is the number that appears most often in the data set.Add the two numbers in the middle of a data set and divide by two.Divide the sum of a set of items over the number of items.Place the numbers in order and find the number in the middle.60sEditDelete
- Q2The mean is...the best way to describe all data setsanother name for outliera measure of spreada measure of center60sEditDelete
- Q3The masses of six chairs are 34.5 kg, 42.6 kg, 39.8 kg, 40.1 kg, 53.4 kg, and 33.8 kg. Find their mean mass.40.7 kg41.35 kg39.6 kg244.2 kg60sEditDelete
- Q4Jeffrey's math test scores include 100, 95, 86, 87, 41, 92 and 93 (%). Jeffrey's teacher told him that she would remove the outlier from his final test average. What will Jeffrey's mean test grade be if the outlier is excluded?about 85%about 79%594%about 92%60sEditDelete
- Q5What was the mean temperature at noon from Friday to Monday?51.250.850.425460sEditDelete
- Q6The dot plot shows the number of coupons sold by volunteers raising money for a food pantry. What was the mean number of coupons sold by the volunteers?43.375960sEditDelete
- Q7What was the sprinter's mean time for the 100-meter dash at these meets?10.116 s50.58 s10.113 s11 s60sEditDelete
- Q8Eight hockey teams competed in the quarter finals of a national championship. The dot plot shows the number of goals scored by each team. What was the mean number of goals scored by each team?3.5 goals3.25 goals1.75 goals26 goals60sEditDelete
- Q9Jack took 4 tests in science. His current average in science is 88%, but Jack hopes to end the marking period with 90%. What must Jack earn on his 5th science test in order to achieve his goal?90%98%89%92%60sEditDelete
- Q10The mean of 4 numbers, 5, 8, 12 and y is 7. Find the value of y.543660sEditDelete