What is are weaknesses and strengths of a bar graph?

A bag contains 11 blue marbles 10 purple marbles 17 red marbles 15 green marbles and 3 yellow marbles What is the probability of pulling out a blue or a red marble? In Math what is class frequency? What is the average weight of a male 12-year-old at 5' 4? How many ways are there to write a 3-digit positive integer using digits 1 3 5 7 and 9 if no digit is used more than once? How tall is the average thirteen year old boy? Why on a line graph do all the points not fit exactly on the line? Three cards are chosen at random from a standard deck of cards without replacement What is the probability of getting three Aces? How does the Fajita scale help determine the strength of a tornado? In the context of rm and range safety mitigation of risk is the ability? What is the first step in the collection process? What has the author P B Alwis Perera written? Can frequency distribution contain more than 10 observations? How many drinks to get a 0.20 percent BAC? Is braking of a car discrete or continuous? How big do guys cocks get? What are the multiples of 4 from 4 to 400? There are 2 roads between town a and town b and 5 roads between town b and town c in how many ways can Pedro go from town a to town c thru town b and return without passing thru the same road twice? Are two disjoint events always complementary? What is the maximum percentage allowed for wage garnishment in Mississippi? How many 5 number combination are there for number 1-39?