A school board is concerned that student test scores are being affected by the fact that students do not get enough sleep at night. Which of the following is a testable hypothesis to use for determining whether this is true?A.Children who get a minimum of nine hours of sleep per night achieve higher test scores than children who get fewer than nine hours of sleep.B.Children who get more sleep at night eat healthier meals and struggle less with obesity.C.Children need at least two more hours of deep sleep at night than adults need.D.Children who eat breakfast and lunch achieve higher test scores than children who skip either meal.

Decide which hypothesis test is the appropriate to use.Researches investigate whether the day of the week and the number of hours of sleep people get are related.Group of answer choicesHypothesis testing for one population proportionHypothesis testing for one population meanHypothesis testing comparing two population proportionsHypothesis testing comparing two population means – independent samplesHypothesis testing comparing two population means – matched pair samplesANOVAChi-square test of independenceT-test for linear relationship

"Individuals who are sleep-deprived will differ significantly in their reaction time compared to those individuals who are not sleep-deprived". If this is the alternate hypothesis, which of the below statements would be the correct null hypothesis? A. Greater sleep deprivation leads to a decrease in reaction time. B. B. Individuals who are sleep-deprived will not differ in their reaction time from those individuals who are not sleep-deprived. C. C. Individuals who are not sleep-deprived will differ in their reaction time from those individuals who are sleep-deprived. D. D. Individuals who have more sleep will differ in their reaction time from those individuals who are sleep-deprived.

Which aspects of sleep are related to better learning and academic performance at school? (There may be more than one correct answer. Please select all correct answers.)Group of answer choicesTaking napsLonger duration of sleepSleepiness during the dayBetter quality of sleep

Which of the following statements about sleep are true according to the Catalyst video?Group of answer choicesAdequate sleep but with inadequate non-REM stages can lead to poor concentration and driving abilitySleep loss has no impact on our body’s ability to store and use energy from foodEight hours of bed time each night ensures quality sleepPeople with sleep apnoea have interrupted non-REM sleep

In a study to determine whether how long a student sleeps affects test scores, the independent variable is the length of time spent sleeping while the dependent variable is the test score.Group of answer choicesTrueFalse