the line graph shows the hours of study and test scores of 8 students. find the range of the scores.

Students Who Use 'Clickers' Score Better On Physics Tests - ScienceDaily (July 18, 2008) — Hand-held electronic devices called clickers are helping college students learn physics, according to a series of research studies. See also: Mind & Brain Educational Psychology Gender Difference Bipolar Disorder Matter & Energy Physics Quantum Physics Technology Reference Special education Gifted education Procrastination Familiarity increases liking Ohio State University students who used the devices to answer multiple-choice questions during physics lectures earned final examination scores that were around 10 percent higher – the equivalent of a full-letter grade -- than students who didn't. The clickers also appear to level the playing field between male and female students. In clicker classes, male and female students performed equally well. In the traditional, non-clicker classes, male students outperformed female students. To Bill Reay, professor of physics at Ohio State, these results suggest that clickers could potentially encourage more wome....

Only One In Eight Educational Television Programs For Children Is Of High Quality, Study Shows - ScienceDaily (Nov. 13, 2008) — Dale Kunkel, communication professor at The University of Arizona, was one of the lead researchers in a new study by Children Now, which shows that only 1 in 8 children's education TV programs meet high quality standards. See also: Mind & Brain Child Psychology Child Development Social Psychology Computers & Math Computer Programming Software Computer Modeling Reference Special education Instructional design Gifted education Aptitude Commercial television broadcasters are required by law to air a minimum of three hours per week of children's educational programming. The goal of the Children's Television Act (CTA) is to increase the availability of high-quality educational programs, such as PBS's Sesame Street and Mr. Rogers' Neighborhood. However, the guidelines that determine what qualifies as an 'educational' program do not address the quality of the educational content. Kunkel, with fellow researchers Barbara J. Wilson (University of Illinois) and Kr....

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Question : I am an 8th grade honors student (my honors science teaches 2 years worth of science in one, earth science and physics, and I am in 9th grade honors math). My homework takes anywhere from 3 hours to 10 hours, depending on how much I have. Is this normal? Or is my school crazy? I go to a public school, but it's ranked quite high on CAT scores. All my friends take this long also, and we're all drinking coffee and Pepsi (because it has caffeine) because we have to stay awake. I have no time just to..

Answer : That is soo normal. When I was in middle school, it was normal to study and do homework every night for one hour per class. I had nine subjects that I was taking, and I would get home at 3:00pm and wouldn't go to be until 12:00, if I was lucky. High school is a lot better, usually. So, keep your chin up since by working hard now, it'll pay off later. Trust me :D

Question : Here is the question i need to find the % of certainty. here is what it says. 'for the variable we are BLANK % certain that the true population mean would be found within the range of 51,492 and 80,962' here is some things you need to know mean = 190.22 standard error = 74.310 standard deviation = 315.269 I need to know the % of certainty i think the formula that will help you is: mean +- (z-score x standard error) please help me i cant figure it out and my teacher is unavai..

Answer : I need a little but more info. Could you write the problem out exactly how is is written in the book or on the worksheet/ test/quiz, or whatever it is on. Do you have a ti (texas insturment) calculator that is 83 or higher (the graphing kind)? To solve i need to know if the data is distributed normally. You know if it is distributed normally if: *It states it 'the data is distributed normally' *It follows the central limit theorem (CLT) (is the problems sample size greater than 30? *If you graph the points, if it is a data set, do the points line up on the diagonal line? If you can answer yes to any of the last 3 questions then you can go on. If you can not answer yes to at least one of the questions then you must test for the median (and you need the data set for that) To test for the mean, on the calc press STAT button. ARROW OVER to tests ARROW DOWN to ZInterval (should be like 7th on the list) press ENTER. If you have a data set use the arrows to highlight data set,th..