I need help ASAP. The top says "Suppose a golf course hosted a fundraiser tournament to raise money for a local school. The histogram shows the final scores of each participant. a. What is the relative frequency of scores of 67-74?

b. What is the relative frequency of scores of 91-106?

Please help.

Based on what i know about mean, this doesn't add up.

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%