WED_UnivStats - KEATS
... • Orlistat does not reduce weight in every patient • Some patients who receive Placebo lose weight. • The sample means for this experiment are : Orlistat: 5.41 kgs Placebo: 2.48 kgs NULL Hypothesis ...
... • Orlistat does not reduce weight in every patient • Some patients who receive Placebo lose weight. • The sample means for this experiment are : Orlistat: 5.41 kgs Placebo: 2.48 kgs NULL Hypothesis ...
Interpreting Confidence Intervals
... DETERMINE the point estimate and margin of error from a confidence interval. INTERPRET a confidence interval in context. INTERPRET a confidence level in context. DESCRIBE how the sample size and confidence level affect the length of a confidence interval. EXPLAIN how practical issues like ...
... DETERMINE the point estimate and margin of error from a confidence interval. INTERPRET a confidence interval in context. INTERPRET a confidence level in context. DESCRIBE how the sample size and confidence level affect the length of a confidence interval. EXPLAIN how practical issues like ...
Confidence Intervals - EdShare
... – If 95% CI does not include 0 then p value will be less than 0.05 ...
... – If 95% CI does not include 0 then p value will be less than 0.05 ...
Chapter Review
... 8. The scores Mr. Han’s students earned on their last test are shown in the table. Use the measures of variability to describe the data in the table. ...
... 8. The scores Mr. Han’s students earned on their last test are shown in the table. Use the measures of variability to describe the data in the table. ...
PPT Lecture Notes - Personal Pages
... – One-tailed significance tests may be used • Nondirectional prediction – Research expects experimental procedure to have an effect but does not predict a particular direction – Two-tailed significance test appropriate – Takes into account that the sample could be extreme at either tail of the compa ...
... – One-tailed significance tests may be used • Nondirectional prediction – Research expects experimental procedure to have an effect but does not predict a particular direction – Two-tailed significance test appropriate – Takes into account that the sample could be extreme at either tail of the compa ...
Document
... – Search the report for any inferential statistics that were used in data analysis – Determine if there is enough information to make a decision about the appropriateness of each test that was used ...
... – Search the report for any inferential statistics that were used in data analysis – Determine if there is enough information to make a decision about the appropriateness of each test that was used ...
Computer lab 2
... The Excel file ‘bootstrap.xls’ contains worksheet formulae that can be used to compute a confidence interval for an unknown standard deviation of a normal distribution. Your task is to paste your own data onto appropriate worksheets and carry out a bootstrap analysis of how accurately can be est ...
... The Excel file ‘bootstrap.xls’ contains worksheet formulae that can be used to compute a confidence interval for an unknown standard deviation of a normal distribution. Your task is to paste your own data onto appropriate worksheets and carry out a bootstrap analysis of how accurately can be est ...
ExamView - HypoTesting.tst
... ____ 16. The owner of a local nightclub has recently surveyed a random sample of n = 300 customers of the club. She would now like to determine whether or not the mean age of her customers is over 35. If so, she plans to alter the entertainment to appeal to an older crowd. If not, no entertainment c ...
... ____ 16. The owner of a local nightclub has recently surveyed a random sample of n = 300 customers of the club. She would now like to determine whether or not the mean age of her customers is over 35. If so, she plans to alter the entertainment to appeal to an older crowd. If not, no entertainment c ...
msd
... COVA options enable you to get several forms of descriptive statistics on the variables at once, saving on computation time. The option ALL allows you to obtain additional statistics such as the median. The TERSE option restricts the statistics computed in order save space and time. ...
... COVA options enable you to get several forms of descriptive statistics on the variables at once, saving on computation time. The option ALL allows you to obtain additional statistics such as the median. The TERSE option restricts the statistics computed in order save space and time. ...