Mathematics, 26.09.2019 18:00 jadenp23
The mean number of close friends for the population of people living in the u. s. is 5.7. the standard deviation of scores in this population is 1.3. an investigator predicts that the mean number of close friends for introverts will be significantly different from the mean of the population. the mean number of close friends for a sample of 26 introverts is 6.5. do these data support the investigator's prediction? use an alpha level of .05.
Answers: 3
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Mathematics, 21.06.2019 20:30
Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?
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Y< 2x-3 y? mx+3 which value of m and which symbol result in the system of inequalities shown above having no solution? a) m=-2; > b) m=-1/2; < c) m=2; > d) m=2;
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Mathematics, 22.06.2019 04:30
Guys can y’all me because i don’t understand to the questions of my cousin she tell me to do the homework plz me guys
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The mean number of close friends for the population of people living in the u. s. is 5.7. the standa...
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