Tutor o-rama claims that their services will raise student sat math scores at least 50 points. the average score on the math portion of the sat is μ=350 and σ=35. the 100 students who completed the tutoring program had an average score of 385 points. is the students’ average score of 385 points significant at the 5% and 1% levels to support tutor o-rama’s claim of at least a 50-point increase in the sat score? (2 pts) is the tutor o-rama students’ average score of 385 points significantly different at the 5% and 1% levels from the average score of 350 points on the math portion of the sat? what conclusion can you make, based on your results, about the effectiveness of tutor o-rama’s tutoring? (2 pts)

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

The minimum wage in washington has been increasing over the last ten years. years 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 washington state minimum wage $6.50 $6.72 $6.90 $7.01 $7.16 $7.35 $7.63 $7.93 $8.07 $8.55 $8.55 a) find the linear regression equation for the minimum wage in washington using this data ( x  0 in 2000). round to the thousandths. b) what is the slope? specifically, what does the slope represent in the real world context? c) what is the y-intercept? specifically, what does the y-intercept represent in the real world context? d) write your equation as a function of x. e) if you do not earn a college degree and you are earning minimum wage in 2020, what do you predict you will be earning per hour with the linear regression equation? f) if the trend continues, when will the minimum wage be $15 an hour? 3. why are your answers to #1d and #2a above different? which do you think is more accurate (#1 or #2) and why

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation