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 439 461 467 462 476 450 488 437 472 482 429 460 440 454 405 440 407 476 428 486 483 437 439 What is the mean and standard deviation of the normal distribution that can be used for this statistical test

Lian is deciding which of two gyms to join. each gym charges a monthly rate plus a one-time membership fee. lian correctly wrote and solved a system of linear equations by substitution to compare the costs of the memberships. in her work, she substituted an expression for one variable and solved for the other. this resulted in the equation 75 = 75. what can lian conclude? one gym charges $75 per month. each gym charges $75 per month both gyms charge the same monthly rate and the same membership fee. both gyms charge the same monthly rate, but not the same membership fee.