2.80 Making Friends Online A survey conducted in March 2015 asked 1060 teens toestimate, on average, the number of friends they had made online. While 43% had notmade anyfriends online, a small number of the teens had made many friends online.a. Do you expect the distribution of number of friends made online to be symmetric,skewed to the right, or skewed to the left?b. Two measures of center for this distribution are 1 friend and 5.3 friends.37 Which ismost likely to be the mean and which is most likely to be the median? Explain yourreasoning.

we have given that n = 1060 43% had not made any friends online most number of people has not…

Answered: 2.80 Making Friends Online A survey…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Treat the dataset as your bag of peanut M&M’s (a simple random sample). Count the number of orange M&M’s and the total number of M&M’s in your bag. Then determine the proportion of your M&M’s that are orange. Number of orange M&M’s: 13 Total number of M&M’s: 65 Proportion of orange M&M’s: 0.2 Question below is according to this.
The most frequent data value is called Select one: a. mode b. mean c. variance d. median
The world Almanac and book of facts 2004 reported the percentage of people not covered by health insurance in the 50 states and Washington DC for the year 2002.the percent of people not covered by health insurance is summarized in the table below: Min 7.9 Q1 10.8 Median 13.4 Q3 16.7 Max 25.8 Mean 13.9 Std.dev 3.6
5.50 Watching live television. A survey of 442 people aged 18 to 29 revealed that 30% watch live television every day.25 You take a random sample of 20 undergraduates from your university and ask them whether they watch live TV every day. If their rate matches the 30% rate: a. What is the distribution of the number of students who say they watch live television every day? b. What is the distribution of the number of students who say that they do not watch live television every day? c. What is the probability that no more than 2 of the 20 students in your sample say that they watch live television every day?
Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given question. Listed below are foot lengths in inches of randomly selected women in a study of a country's military in 1988. Are the statistics representative of the current population of all women in that country's military? 9.4 10.2 9.0 10.2 8.5 9.2 8.8 8.9 10.4 9.0 9.0 a. Find the mean. 2 The mean is inch(es). (Type an integer or a decimal rounded to two decimal places as needed.) ew an example Get more help - F2 W S X дв mmand w非 # 3 26 80 E D $ ALA 4 C a F4 R LL F Stv ♫ONZAG % л х 5 V FS T G 6 MacBook Air B Y & 7 H F7 U N * 8 J DII 1 M ( 9 K DD O O QQQQQQQQ L Clear all P : { + [ Check answer I command option ? 11 1 1 delete
Which one of the cumulative frequencies can be taken while calculating median of the grouped data? a. Succeeding cumulative frequency of the median class O b. Cumulative Frequency of the median class O c. Preceding cumulative frequency of the median class O d. Cumulative frequency is not considered in median
The chart below represents the number of inches of snow for a seven-day period. Sunday Monday Tuesday Wednesday Thursday Friday Saturday 2 5 3 10 0 4 2 Find the mean, median, and mode. Which is the best measure of central tendency? Remove Wednesday from the calculations. How does that impact the three measures of central tendency? Describe the effect outliers have on the measures of central tendency.
Given the following distribution of scores: 2, 8, 2, 3, 6, 5, 7, 8, 4, 8, 2, 3 What is the mode of the distribution? Group of answer choices 2 8 Both 5 and 7 Both 2 and 8
b. As a basketball player, Rylee scored the following in her last 10 games: 34, 21, 21, 3, 12, 22, 21, 33, 15, 19. Which measure of central tendency would be best? Create a distribution graph. Discuss the data points on the x-axis and y-axis. Discuss the measures of central tendency.
A survey was given to 18 students. One question asked about the one-way distance the student had to travel to attend college. The results, in miles, are shown in the following table. Use the median procedure for finding quartiles to find the first, second, and third quartiles for the data. Distance Traveled to Attend College 34 42 16 18 50 74 2 28 32 32 14 66 72 32 86 24 18 40 Q1=Q2=Q3=
A teacher surveyed 11 students for how many days per week they have read newspaper. The result is shown as follows: 1 1 1 2 2 2 2 5 6 6 6 (a) Find the mean. (b) Find the median. (c) Find the mode.
Determine what the key terms refer to in the following study. We want to know the average (mean) amount of money first year college students spend at ABC College on school supplies that do not include books. We randomly surveyed 100 first year students at the college. Three of those students spent $150, $200, and $225, respectively.

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