To predict future enrollment in a school district, fifty households within the district were sampled and...
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To predict future enrollment in a school district, fifty households within the district were sampled and asked to disclose the number of children under the age of five living in the household. The results of the survey are presented in the table. Complete parts (a) through (c) below. |
Number of Children under 5 |
Number of Households |
||
|---|---|---|---|---|
|
0 |
17 |
|||
|
1 |
15 |
|||
|
2 |
16 |
|||
|
3 |
1 |
|||
|
4 |
1 |
(a) Construct a relative frequency distribution of the data.
|
Number of Children under 5 |
Relative Frequency |
|---|---|
|
0 |
|
|
1 |
|
|
2 |
|
|
3 |
|
|
4 |
(Type integers or decimals. Do not round.)
Homework Answers
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To predict future enrollment in a school district, fifty
households within the district were sampled and...
Help, please! The answers that I plugged in are incorrect.... To predict future enrollment in a...
Help, please! The answers that I plugged in are
incorrect....
To predict future enrollment in a school district, fifty households within the district were sampled, and asked to disclose the number of children under the age of five living in the household The results of the survey are presented in the table. Complete parts (a) through (c) below. Number of Children Number o under 5 Households 17 13 (a) Construct a relative frequency distribution of the data Number of Children...
A school admisnistrator surveyed 57 households in her district to find the number of children under...
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A national survey asked people, "How often do you eat out for dinner. (a) Construct a...
A national survey asked people, "How often do you eat out for dinner. (a) Construct a relative frequency distribution of the data. instead of at home?" The frequencies were as follows. Complete parts (a) through (9) Relative Response Frequency Never Response Frequency Rarely Never 252 Sometimes Rarely 569 Most of the time Sometimes 966 Most of the time Always 371 Always (Round to three decimal places as needed.) 68 (b) What percentage of respondents answered "Always"? (Round to one decimal...
2. In households with children, some of the school age children ate school lunches and others...
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The US Bereau of the census conducts nationwide surveys on characteristics of US households. Following are...
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of people per household for a sample of 50 households. Construct a
grouped data table for these household sizes.
ys on characteristics of U.S. households. Following are data on the sizes 444446 43435 46265 475551 Household size Frequency Relative Frequency 8/50=0.2 5/40-0.125 4/40-0.1 9/40-0.225 6/40-0. 15 7/40-0 175 1/40=0.025 2 3 4 4 6 Total 50
9. Use the information in the table below to answer the following question. Suppose you have...
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Help, please! The answers that I plugged in are
incorrect....
To predict future enrollment in a school district, fifty households within the district were sampled, and asked to disclose the number of children under the age of five living in the household The results of the survey are presented in the table. Complete parts (a) through (c) below. Number of Children Number o under 5 Households 17 13 (a) Construct a relative frequency distribution of the data Number of Children...
A school admisnistrator surveyed 57 households in her district to find the number of children under age 4. She found that 15 households had no such children, 28 had one, 10 had two, and 4 had three. Find the mean number of children under age 4 per household. Show your calculation as well as the answer rounded to three decimal places
A national survey asked people, "How often do you eat out for dinner. (a) Construct a relative frequency distribution of the data. instead of at home?" The frequencies were as follows. Complete parts (a) through (9) Relative Response Frequency Never Response Frequency Rarely Never 252 Sometimes Rarely 569 Most of the time Sometimes 966 Most of the time Always 371 Always (Round to three decimal places as needed.) 68 (b) What percentage of respondents answered "Always"? (Round to one decimal...
2. In households with children, some of the school age children ate school lunches and others did not. Hence, we have another random phenomenon. Define a new random variable v as follows: O, if none of the children in household ate school lunch 1, if at least one child in household ate school lunch a. Table 20.8 contains data collected from a U.S. government survey on random variable v. Calculate the proportions for the outcomes of v and enter them...
Seatwork no. 1 (Individual Work)h Five years ago, fifty households in City X were randomly sampled for household income, household size, autos per household, and daily trips produced HH Household Household Trips Autos Income Size (Peso) 1 C 2 45000 2 4 70000 10 170000 C 110000 5 1 2 55000 6 15 170000 7 4 95000 90000 6 1 70000 10 13 190000 11 2 180000 17 210000 13 85000 2 14 11 110000 2 15 10 2 110000...
The US Bereau of the census conducts nationwide surveys on
characteristics of US households. Following are data on the number
of people per household for a sample of 50 households. Construct a
grouped data table for these household sizes.
ys on characteristics of U.S. households. Following are data on the sizes 444446 43435 46265 475551 Household size Frequency Relative Frequency 8/50=0.2 5/40-0.125 4/40-0.1 9/40-0.225 6/40-0. 15 7/40-0 175 1/40=0.025 2 3 4 4 6 Total 50
9. Use the information in the table below to answer the following question. Suppose you have collected demographic information about households in your local area. The following table is the joint probability density function for the number of children under the age of 18 living in the household and the marriage status of the adult taking the survey. Marriage Status/# of Children Single Married 0 2 3 0.20 0.1 0.10 0.3 0.05 0.25 0.04 0.03 0.01 0.02 Using the above...
Question 1. [11X2=22 pts) A household survey enumerated 25,450 population from a sample of 3,275 households in a city. Among the enumerated population 12,895 were males and the rest were females. Of the total population, 30% were females aged 15-49 years and 10% were children aged 0-4 years. Overall, 420 people died in a year in the population. There were 8,145 children under age 15 years, 10,456 persons between age 15-64 and the rest were aged person of age 65...
Examnle 7 IFRQ1203M] Independent random samples of 500 households were taken from a large metropolitan area in the United States for the years 1950 and 2000 Histograms of household size (number of people in a household) for the years are shown below. SocS 120 t00 100 80 80 6o 5 20 8 10 12 14 1 0 268 12 416 Houschold Stze in 1950 Houschold Size in 2000 A researcher wants to use these data to construct a confidence interval...
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