Mathematics, 04.04.2020 02:57 charitysamuels
In a certain year, according to a National Census, the number of people in a household had a mean of 4.52 and a standard deviation of 2.23. This is based on census information for the population. Suppose the Census Bureau instead had estimated best main using a random sample of 375 homes. Suppose the sample had a sample mean 4.2 and a standard deviation of 2.4What is the random variable X?(a)The number of households in the country.(b) The number of people in the household. c) The number of households and the sample.(d) The mean number of people in a household. Is X quantitative or categorical?(a) The variable X is categorical, because each observation belongs to one of a set of distinct categories(b)The variable X is quantitative, because each observation belongs to one of a set of distinct values(c)The variable X is quantitative, because each observation is a numerical value of that represents and magnitude of the variable(d)The variable X is categorical, because despite the observations being numerical values the observations do not represent a magnitude of the variable Describe the center and the variability of the population distribution. What would you predict the shape of the population distribution? Explain
Answers: 3
Mathematics, 21.06.2019 16:00
Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year
Answers: 3
Mathematics, 21.06.2019 18:30
You love to play soccer! you make a shot at the net 8 times during a game! of those 8 attempts, you score twice. what percent of the time did you score?
Answers: 2
Mathematics, 21.06.2019 22:30
The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.
Answers: 1
In a certain year, according to a National Census, the number of people in a household had a mean of...
English, 09.10.2019 03:50
Mathematics, 09.10.2019 03:50
English, 09.10.2019 03:50
Social Studies, 09.10.2019 03:50
Mathematics, 09.10.2019 03:50
Mathematics, 09.10.2019 03:50
Physics, 09.10.2019 03:50
Social Studies, 09.10.2019 03:50
Health, 09.10.2019 03:50
Mathematics, 09.10.2019 03:50
Computers and Technology, 09.10.2019 03:50
History, 09.10.2019 03:50