Statistics question and answers for January 18, 2024
- Q Determine whether the value 74 4 is a parameter or statistic In a weight loss research study a sample of 130 adults 74 4 lost an average of 10 or...
- Q Find the width between the interval 5 3
- Q Determine whether the value 41 is a parameter or statistic 41 of a State College A s students are from that state O Parameter O Statistic
- Q Find the midpoint between the interval 14 16
- Q Find the width between the interval 10 5
- Q Find the midpoint between the interval 10 5
- Q Run a regression analysis on the following bivariate set of data with y as the response variable X y 45 4 28 3 38 7 30 4 51 3 26...
- Q 1 During his NBA career Larry Bird made approximately 89 of all free throws Suppose Larry makes 10 free throws in a row What is the probability he will make...
- Q Brightness Level x Hours y 10 9 8 7 6 Hours 54 3 2 7 10 20 30 37 39 5 3 30 42 4 1 6 3 6 8...
- Q Which of the following is false If the correlation between two variables is close to 0 01 then there is a very weak linear relation between them If the correlation...
- Q Mountain climbers use a general rule of thumb which estimates that the temperature will drop 3 degrees Fahrenheit for every 1000 ft of elevation The varible T is the temperature...
- Q A researcher wishes to examine the relationship between years of schooling completed and the number of pregnancies in young women Her research discovers a linear relationship and the least squares...
- Q Here is a scatter plot for a set of bivariate data What would you estimate the correlation coefficient to be 0 9 0 6 0 0 6 0 9
- Q Please round all answers to 2 decimal places Given the table below use your calculator to find the Line of Best Fit x Y 8 9 1 23 6 7...
- Q thirty percent of students at a university are business major a random sample of 20 students is selected what is the probability that among the students at least 10 are...
- Q Which of the following lines would be the best fit for the data points plotted in the scatter plot below Oy 0 7x 7 2 Oy 7 2x 0 7...
- Q Use linear regression to find the equation for the line that best fits this data Round both numbers to tw mx b decimal places Write your final answer in a...
- Q researcher wishes to examine the relationship between years of schooling completed and the number of regnancies in young women Her research discovers a linear relationship and the least squares line...
- Q This bar graph shows the stopping distance in feet for a car traveling at different speeds 800 700 600 500 400 300 200 Distance ft 100 0 40 50 60...
- Q Mountain climbers use a general rule of thumb which estimates that the temperature will drop 3 5 degre Fahrenheit for every 1000 ft of elevation The varible T is the...
- Q Here is a data set summarized as a stem and leaf plot 2 012344467 3 0002255568899999 4 04459 5 225 How many data values are in this data set n...
- Q Our company s new widget has been growing in sales The histogram below shows sales in millions for the years shown 40 30 20 10 2001 2002 2003 2004 2005...
- Q Here is a bivariate data set in which you believe y to be the response variable X y 62 8 15 9 38 4 6 1 44 5 27 5...
- Q The table below show data that has been collected from different fields from various farms in a certain valley The table contains the grams of Raspberries tested and the amount...
- Q A regression was run to determine if there is a relationship between hours of TV watched per day x and number of situps a person can do y The results...
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