Predict and Surveys
A survey is being conducted to find 7th grade student's favorite sports. Who should they ask?
All students in a homeroom.
A few randomly chosen students from each homeroom.
The choir.
The baseball team.
What is a few randomly chosen students from each homeroom?
Audrey has 2 fairly weighted 6 sided cubes, but one is twice the size of the other. How does the probability of rolling a 5 on the bigger cube relate to rolling a 5 on the smaller cube? Same, less likely, more likely, or not measureable?
What is same?
Mr. Jacklett places 10 cards in a bowl labeled 1, 5, 8, 9, 11, 19, 21, 23, 28, and 30. What is the probability that he will pull out a 2 digit number?
What is 3/5?
{28, 36, 42, 31, 25, 39, 36}
Which measure best represents this data?
What is mean?
Which survey represents a population sampling error?
Surveying carpenters which brand of hammers is their favorite?
Surveying fans at a basketball game who their favorite basketball player is.
Surveying baseball players who their favorite classical composer is.
Surveying 6th grade students about which class subject is their favorite.
What is surveying baseball players who their favorite classical composer is?
Someone flips 3 coins. Order the following outcomes in order least likely to most likely:
2 heads and 1 tail
all 3 heads
at least 1 head
What is
all 3 heads, 2 heads and 1 tail, then at least 1 head?
A theatre manager took a survey of 50 customers. one random customer will be given a free theatre ticket. Of the 25 customers surveyed, who said they enjoy comedy, 15 were men. What is the probability that a woman who enjoys comedies will be chosen?
What is 2/5?
{40, 72, 65, 59, 68, 51, 55} temps in TN for last week
{28, 32, 35, 30, 27, 29, 31} temps in Michigan
Which state has more predictable temps and explain.
What is Michigan?
A 6 sided number cube is rolled 900 times. About how many times could you expect to roll a number less than 3?
What is 300?
Stan flips a coin and rolls a 6 sided die. What is the probability that the coin lands on heads and the die lands on a number that is 3 or greater?
What is 1/3?
Lacrosse players are randomly assigned jerseys numbered 0-29. What is the probability that Emmie gets #16?
What is 1/30?
Mr. Lee recorded the daily low temperatures for 6 days He listed the first 5 days as follows:
38, 40, 34, 48, 46 degrees
If the range for all 6 days is 18 degrees, what was the daily low on the sixth day?
What is 52 degrees?
A spinner is labeled with each vowel once. The class will spin it 100 times. What is the BEST prediction of how many times it will land on an E or U? Use the words close to or exactly with your final answer.
What is close to 40?
You and a friend are each rolling a 6 sided die. What is the probability that you will both roll a 1?
What is 1/36?
A dodecahedron is a twelve sided solid figure. Each face of a certain dodecahedron is painted either blue or green. The probability of landing on blue face up is 2/3. How many faces are green?
What is 4?
Andrew has the following test grades in Science:
85, 75, 83, 72, and 79
What must his next test score be in order to have a mean of 80?
What is 86?
In a game of rolling a die, 1 point is earned when a player rolls a number higher than 2. Each time a player rolls 2 or lower, one point is lost. What is the best estimate for a players score after 300 rolls?
What is about 100?
Wendy rolls a pair of 6 sided dice 100 times. What is the best prediction of how many times the dice will land on the same amount of dots? Use the words close to or exactly with your number.
What is close to 83 times?
Mario tossed a coin 20 times. The coin landed on heads 14 times. Using Mario's experiment, what is the difference between the experimental and the theoretical probability of landing on heads? Answer as a percent.
What is 20%?
If the data for the heights of players on a basketball team is skewed to the right, which statistical measure best represents the spread of the data?
Mean, median, range, or interquartile range?
What is IQR?