Advanced Placement (AP), 27.06.2019 13:30, simeragrundy14
Researchers are conducting a study in an attempt to establish a linear relationship between the number of online music video views and the number of guitar sales. a computer output for regression is shown and is based on a sample of seven observations. predictor coeff st. dev t ratio p-value constant 7.85671094 1.316226455 5.969118 0.001889 music video views 0.094781123 0.027926367 3.393965 0.019378 what represents the 99% confidence interval for the slope of the regression line? 0.0948 ± 3.499(1.3162) 0.0948 ± 4.032(1.3162) 0.0948 ± 3.707(0.0279) 0.0948 ± 4.032(0.0279)
Answers: 2
Advanced Placement (AP), 23.06.2019 06:00, destinybonmer
Here is a quote from an npr news article: “on average, working-age adults were eating about 78 fewer calories per day in 2010, compared with five years earlier. the new report is based on data from the national health and nutrition examination survey, which collects details on eating habits and other health-related information from a nationally representative sample of about 10,000 people in the u. s.” which of the following is true about the numerical value 78? a. it is an anecdote. b. it is a parameter. c. it is a simulation. d. it is a statistic.
Answers: 1
Advanced Placement (AP), 24.06.2019 15:30, jadentdaniels
Doing a science fair project should i do cafeteria waste or solar power
Answers: 2
Advanced Placement (AP), 26.06.2019 04:00, bernicewhite156
What information does a survey provide? a. an accurate description of the population surveyed b. whether there is a predictive relationship between two variables? c. whether there is a cause-and-effect relationship between two variables d. none
Answers: 2
Researchers are conducting a study in an attempt to establish a linear relationship between the numb...
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