A certain brand of microwave oven was priced at stores in Dallas and stores in San Antonio. The data follow. Use level of significance and test whether prices for the microwave oven are the same in the two cities. Dallas San Antonio 464 428 428 428 439 413 446 453 472 489 423 445 488 436 405 483 442 423 433 457 424 461 449

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.