The two-way frequency table shows the favorite mathematics subject of a group of male and female students at a school.
Geometry
Total
Algebra Statistics
22
9
Male
18
49
Female
21
19
11
51
Total
39
41
20
100
The marginal frequency is the greatest for males.
The joint frequency is the greatest for females who like statistics.
The joint frequency is the greatest for females who like geometry.
The joint frequency is the smallest for males who like statistics.
The marginal frequency is the greatest for algebra among the subjects.

In new york city at the spring equinox there are 12 hours 8 minutes of daylight. the longest and shortest days of the year very by two hours and 53 minutes from the equinox in this year the equinox falls on march 21 in this task you use trigonometric function to model the hours of daylight hours on certain days of the year in new york city a.what is the independent and dependent variables? b.find the amplitude and the period of the function. c.create a trigonometric function that describes the hours of sunlight for each day of the year. d. graph the function you build in part c. e. use the function you build in part c to find out how many fewer daylight hours february 10 will have than march 21. you may look at the calendar.