A teacher was able to find data from 1981 (sample 1) on the amount of time per week, children spend on chores. She believes, on average, children are spending less time per week on household chores today compared to 1981 levels. To test her claim, the teacher gathers data in 2018 (sample 2). Assuming the population variances are equal, you will specify the hypotheses, calculate the test statistic and p-value and make conclusions based off your results.

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Plz ( true - false) all triangles have interior angles whose measure sum to 90.