Mathematics, 29.04.2021 22:20 morgannwaldrupp
1. You decide to test whether charcoal helps purify water or not. You design a filter that contains charcoal and run water from a nearby stream through the filter. Afterward, you test the water for contaminants.
Independent variable:
Dependent variable:
This is science please stop putting spams or viruses because i really need the answer and because that's not helpful for anyone so please stop. Please give me the answer I need the independent variable and the dependent variable.
Answers: 1
Mathematics, 21.06.2019 12:40
The graph below shows the amount of money left in the school’s desk fund, f, after d desks have been purchased. for each new desk that is purchased, by how much does the amount of money left in the school’s desk fund decrease?
Answers: 1
Mathematics, 21.06.2019 15:50
Name the most appropriate metric unit for each measurement
Answers: 3
Mathematics, 21.06.2019 21:40
Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.
Answers: 3
Mathematics, 21.06.2019 23:00
Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain
Answers: 2
1. You decide to test whether charcoal helps purify water or not. You design a filter that contains...
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