Mathematics, 02.11.2019 05:31 lizzyhearts
Asurvey of 80 randomly selected companies asked them to report the annual income of their presidents. assuming that incomes are normally distributed with a standard deviation of $30,000, determine the 90% confidence interval estimate of the mean annual income of all company presidents. interpret the statistical results.
Answers: 2
Mathematics, 21.06.2019 18:00, isaiahcannon5709
Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review
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Mathematics, 21.06.2019 20:00, lorip7799ov3qr0
The total number of dental clinics total for the last 12 months was recorded
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Mathematics, 22.06.2019 00:00, brandon1748
Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.
Answers: 1
Asurvey of 80 randomly selected companies asked them to report the annual income of their presidents...
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