32 Answered Questions for the topic Data
Probabilty Question: Color of the Marble
Mr.W puts two blue marbles and one green marble into his pocket. Then he randomly takes out one. After recording the color of the marble, he puts the marble back. He repeats this 6 times. a.What is... more
Data Management Normal Distribution Probability
The heights of 16-month-old oak seedlings are normally distributed with a mean of 31.5 cm and a standard deviation of 10 cm. What is the range of heights between which 5 % of the seedlings will... more
Statistics multiple choice
A random sample of 300 people is surveyed regarding their favorite type of spring flower. The data gathered is ___________. a. Qualitative b. Quantitative and discrete c. Quantitative and continuous
Statistics with confidence intervals
A random sample of 80 college students was asked, “How many hours do you study each week?” After gathering the data, the sample has a mean of 14 hours and a standard deviation of 2.8 hours.... more
27 people attend a conference. door prizes are awarded randomly to 2 people. what is the probability that Adam and Samantha will win the door prizes?
The stem-and-leaf plot below gives the test scores for the 20 students in Mr. Williams’s biology class.How many students scored 82?
Box and Whisker plot For DNA extraction and Purification
I need to create a box and whisker plot for two different methods of DNA extraction and purification - silica resin spin column and inorganic method. What do I put on the X axis and Y axis?The data... more
Marketing Analytics Question (Please explain your answer)
Alexander Graham Crackers is studying the impact of a social media campaign for their Smorgasbords product line. Without social media, their sales in May were 120,000 boxes. With social media,... more
HELP PLEASE STATISTICS
Beer: The following table presents the number of active breweries for samples of states located east and west of the Mississippi River. East West State Number of Breweries State Number of... more
If I make 13$/hr...
If I make 13$/hr but make ~250$ extra in tips over a 2 week period, what’s my actual wage?
Rewriting a scifi story to fit with actual science, should I do it as I go?
Rewriting a scifi story to fit with actual science, should I do it as I go, or just write first and make the needed changes while editing?My world exists in my mind, clear and palpable. but I am... more
Malaria Mortality Rate GIS Data?
Can anyone direct me to GIS data for malaria mortality rate? I am looking for countries in South Asia, but not looking for country level numbers but smaller level numbers like district level.
Please answer this question ASAP
Ian plays 7 games of cricket.His mean score per game for these 7 games is 42 runs. Ian is going to play one more game of cricket .He wants his mean score per game for the 8 games to be exactly 50... more
Please help with margin of error
I don't need the answer for #1 I got that one correct, but please help me with #2 and #3 thank you in advance #1 .You conduct a survey and find that 422 students out of 813 would vote for... more
What is the outlier of this data set?
4 24 26 30 35 38 43 48 52 54 59 64 What is the outlier or is there none. I did the problem and got none but it was incorrect please help and give the correct answer.
What is the 60th percentile?
1 1 1 1 1 1 2 3 5 8 13 21 34 55 89 89 89 89 89 89 What is the 60th percentile? I tried it and got an incorrect answer please help.
What is the 40th percentile? PLZ help!
1 1 1 1 1 1 2 3 5 8 13 21 34 55 89 89 89 89 89 89 What is the 40th percentile? I got 4 but it was incorrect please help im stuck. I really appreciate it!!!
Can a skewed distribution still be considered a normal distribution?
Can a skewed distribution still be considered a normal distribution? My data shows a normal bell curve with symmetric center but has a longer left tail. Would this still be considered a normal... more
What is the sample size?
A team of researchers observed that the acorn density of the oak forests in New York fluctuates from year to year and that mice populations in the forest were increased when the acorn density was... more
A sample of 125 students from a school shows that 85 students prefer to work by themselves. If the school has 1275 students, how many prefer to work in groups?
I really need to know how to do this step by step.
Data Data Management
data management question
the question is for a progect the teacher asked a group of seven students to each count the number of pedestrians that cross the street they live on a certain day. The data collected had a range of... more
Eye Color Hair Color : Blue Gray Green Brown Marginal TotalBlond 42 5 21 10 78 Red 12 22 19 12 65Brown 22... more
A school conducted a survey to find out which games students enjoy watching the most. The table below contains the results of the survey. Grade Basketball Baseball Football Soccer Tennis Other... more
how to do this phsyics q?
An experimenter gets a range of data: 8.8 * 10^-19 plus or minus 0.1 * 10^-19. This is an experiment about charge. Is this range of error acceptable?
data does she need
The total number of regular hours and overtime hours that each one worked. What kind of data do she need. Qualitative Cluster Quantitative Time-series