Afactory produces 90 packages of mixed nuts in 1 min. a quality control manager selected 10 of these 90 packages at random and then counted the number of nuts in each package. the manager recorded the results.

30, 31, 36, 32, 35, 35, 35, 33, 31, 36

what is the estimated median number of nuts in all 90 packages?

enter your answer in the box.

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect