(Answered) A developmental psychologist studies the number of words

Statistics

A developmental psychologist studies the number of words that seven infants have learned at a particular age. The number are 10,12, 8, 0, 3, 40 and 18. Figure the (a) mean (b) median and (c) standard deviation for the number of words learned by these seven infants. (d) explain what you have done and what the results mean to a person a who has never had a course in statistics.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92467585
Price:- $20

Verified Expert

Priced at $40 Now at $20, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Assume that showing a car is a bernoulli trial and each

Assume that showing a car is a Bernoulli trial, and each time she shows a car, there is a probability of 0.15 that the customer will buy the car. The saleswoman has a goal of selling at least one car a week. 1) How many ...

Research research and sample 5000 household concerning tv

Research research and Sample 5000 household concerning TV shows they watch. Based on the sample 18% reported watching 60 Minutes. What is the 95% confidence interval for the proportion of all Americans that watch 60 minu ...

Doctoral assistant ships of phd students 50 have paid

Doctoral assistant ships of Ph.D students 50% have paid assistant ships. a random sample of n=200 students is chosen.. based on this sample and using the properties of the binomial distribution, what is the approximate s ...

The random variablenbspxnbsptakes on the values 5 20 30 and

The random variable X takes on the values 5, 20, 30, and 200 with probabilites 0.60, 0.30, 0.08, and 0.02 respectively. Use the statistical capacity of your calculator to find the expected value of X rounded to one p ...

At a college 66 of courses have final exams and 56nbsp of

At a college, 66 % of courses have final exams and 56 % of courses require research papers. Suppose that 45 % of courses have a research paper and a final exam. Find the probability that a course has NONE of these two r ...

A random sample of 87 eighth grade students scores on a

A random sample of 87 eighth grade? students' scores on a national mathematics assessment test has a mean score of 278. This test result prompts a state school administrator to declare that the mean score for the? state' ...

Waterton lakes national park in alberta has 6 trails that

Waterton Lakes National Park in Alberta has 6 trails that reach the icefields. If a hiker wishes to reach the icefields in 3 different ways during a visit, how many different possibilities would there be?

Why is it that some people make very high returns on the

Why is it that some people make very high returns on the stock market if it is so efficient? Is it more difficult to reconcile very high returns with efficient markets if the same people make extraordinary returns year a ...

New york graduates tend to leave the state after graduating

New York graduates tend to leave the state after graduating. A study asked the students of NYU "Are you planning to stay in NY after graduation?" In the sample, only 37% answered yes. The study explained that with a 95% ...

Question 1 decision theorythere are two available

Question: 1. Decision Theory There are two available diagnostic methods ¬- D1 and D2 - to predict if a tissue sample is benign or malignant. Ninety percent of the samples processed are benign. The performance of the diag ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert