Question

researchers asked 50 children to sort pictures into five piles. The researchers expected the children to...

researchers asked 50 children to sort pictures into five piles. The researchers expected the children to sort 10% of the pictures in pile 1, 20% of the pictures in pile 2, 40% of the pictures in pile 4, and 10 % of the pictures in pile 5. The observed frequencies for pile 1, is 8, pile 2, is 10, pile 3, is 20, pile 4 is 8, pile 5 is 4. From the context above, identify the research question. and compute chi square.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A group of researchers want to determine if incidents of drunk driving are equally likely to...
A group of researchers want to determine if incidents of drunk driving are equally likely to occur on different days of the week (fe = 0.143). They collect data on drunk driving arrests and calculate frequencies for each day of the week. They collected data from 406 incidents overall. They observed the following frequencies: Sunday (24), Monday (59), Tuesday (46), Wednesday (37), Thursday (50), Friday (92), Saturday (98). Use a one-variable chi-square analysis (where α = .001) to determine if...
1)Employers want to know which days of the week employees are absent in a five-day work...
1)Employers want to know which days of the week employees are absent in a five-day work week. Most employers would like to believe that employees are absent equally during the week. Suppose a random sample of 71 managers were asked on which day of the week they had the highest number of employee absences. The results were distributed as in Table. For the population of employees, do the days for the highest number of absences occur with equal frequencies during...
Observed Cat Dog Other Total Male 10 50 30 90 Female 40 45 25 110 Total...
Observed Cat Dog Other Total Male 10 50 30 90 Female 40 45 25 110 Total 50 95 55 200 1. Find the Expected counts 2. Find the Deviations table 3. Find the dg 4. Find the chi-sq statistic 5. Find the p_value 6. If p-value is smaller than 5% then reject the Null Hyp of independence
Sex Sports Popularity Grades Boys 60 50 117 Girls 30 91 130 Sports Popularity Grades Proportion...
Sex Sports Popularity Grades Boys 60 50 117 Girls 30 91 130 Sports Popularity Grades Proportion of boys who selected each category. 0.2643171806 0.2202643172 0.5154185022 Proportion of girls who selected each category 0.1195219124 0.3625498008 0.5179282869 1)if goals were contingent on district type. Was there any difference in the goals of students from rural, urban, or suburban areas? Create an observed frequency table using the raw data and calculate Χ2. Χ2 = Hint: I counted up the observed frequencies for the...
A cognitive psychologist working in the area of suggestion asked a sample of children to solve...
A cognitive psychologist working in the area of suggestion asked a sample of children to solve as many problems as they could in 15 minutes. Half of the children are told that this is a problem-solving test and the other half are told that this is just a time-filling task. The psychologist hypothesizes that thinking it is a time-filling task will reduce problem solving. What can the psychologist conclude with an α of 0.05? Below is the data for the...
Given are five observations for two variables, x and y . xi 1 2 3 4...
Given are five observations for two variables, x and y . xi 1 2 3 4 5 yi 53 58 47 21 11 Use the estimated regression equation is y-hat = 78.01 - 3.08x A.) Compute the mean square error using equation. s^2 = MSE = SSE / n -2 [     ]   (to 2 decimals) B.) Compute the standard error of the estimate using equation s = sqrtMSE = sqrt SSE / n - 2 [      ] (to 2 decimals)...
1. The test statistic for goodness of fit has a chi-square distribution with k - 1...
1. The test statistic for goodness of fit has a chi-square distribution with k - 1 degrees of freedom provided that the expected frequencies for all categories are​ a. ​k or more. b. ​10 or more. c. ​5 or more. d. ​2k. 2. The owner of a car wash wants to see if the arrival rate of cars follows a Poisson distribution. In order to test the assumption of a Poisson distribution, a random sample of 150 ten-minute intervals was...
A sample of college students was asked how much they spent monthly on a cell phone...
A sample of college students was asked how much they spent monthly on a cell phone plan (to the nearest dollar). Find sample standard deviation. Monthly Cell Phone Plan Cost ($) Number of Students 10 - 19 8 20 - 29 16 30 - 39 21 40 - 49 11 50 - 59 4 Q13) The following data represent the difference in scores between the winning and losing teams in a sample of 15 college football bowl games from 2004-2005....
The restaurant owner wants to find out what the peak demand periods are, during the hours...
The restaurant owner wants to find out what the peak demand periods are, during the hours of operation, in order to be better prepared to serve his customers. He thinks that, on average, 60% of the daily customers come between 6:00pm and 8:59pm (equally distributed in that time) and the remaining 40% of customers come at other times during the operating hours (again equally distributed). He wants to verify if that is true or not, so he asked his staff...
Consider the supply and demand schedules for calzones at a local pizzeria. Use the information in...
Consider the supply and demand schedules for calzones at a local pizzeria. Use the information in the schedules to answer the five questions. Demand Price (P) $10 $9 $8 $7 $6 $5 $4 $3 $2 $1 Quantity (Q) 20 40 60 80 100 120 140 160 180 200 Supply Price (P) $1 $2 $3 $4 $5 $6 $7 $8 $9 $10 Quantity (Q) 20 30 40 50 60 70 80 90 100 110 Consider the supply and demand schedules for...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT