User Account

All Pages

What is the combined median for exam

Assignment Help Basic Statistics
Reference no: EM131200793

A professor took a sample of 194 students from her morning class and 131 in the evening class. On the 1st exam, all those sampled from the morning class got 64 while those sampled from the evening averaged to 71 with a variance of 179. If the two samples were combined

1. What is the combined exam 1 average ? (66.8215?)

2. What is the combined median for exam 1?

3. what is the shape of the combined exam 1 grade distribution?

4. What is the combined exam 1 Standard deviation?

Reference no: EM131200793

Questions Cloud

What is the cost of an apple and an orange : James bought 5 apples and 10 oranges for $4. Donald bought 3 apples and 9 oranges for $3. The shop keeper strictly told that there will not be any discounts. What is the cost of an apple and an orange?
How much money do you have to save in that fund : How much money do you have to save in that fund every month in order to make your retirement dream come true?
How many alcohol-related accidents were expected : The price of a certain commodity in dollars per unit at time t (measured in weeks) is given by p = 8 + 7e^(-2t) + te^(-2t). What is the average price of the commodity over the 4-week period from t = 0 to t = 4?
Analyze the facets of organizational culture : Analyze the facets of organizational culture, including influences and functions, challenges related to changing the culture, and the impact of culture on organizational performance.
What is the combined median for exam : A professor took a sample of 194 students from her morning class and 131 in the evening class. On the 1st exam, all those sampled from the morning class got 64 while those sampled from the evening averaged to 71 with a variance of 179. If the two ..
Design two day training program for group of twenty employee : Design a two day training program for a group of twenty employees. Identify two to three training needs though a Training Needs Analysis (TNA) and justify an approach for this training.
Do you think new dialysis center will attract more patients : Do you think the new Dialysis Center will be able to attract more patients? - What impact would additional volume have on the facilities allocation decision?
Represents the event of selecting a response : If b represents the event of selecting a response from a boy, find P(?).Find the probability that the selected answer was made by a girl or was answered no.If g represents the event of selecting a response from a girl, find P (?).Find the probabil..
Find an equation of the line con­ taining the points : Draw a scatter diagram of the data treating weight as the independent variable.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability of purchaing coffee by customers

The Starbucks in the Bauer College of Business found that 24% of customers purchase more than one cup of coffee per day from their shop. If 180 customers are randomly selected one day, what is the probability that no less than 25% of them purchase..

  Find two measures of spread range-standard deviation

Calculate and post your 'answers' or interpretations of (a little bit of a review of the fundamental concepts): The three Measures of Center (Mean, Median, and Mode).

  Check when x is an exponential rv with pdf

Check that the formula (1) holds when X  Unif(0, b). Formula (1) also works for b = 1. Check this when X is an Exponential RV with PDF f(x) = e-x for x  0.

  What is the z-score associated with the second quartile

The calculated p-value for a hypothesis test is 0.084. What decision about the null hypothesis would occur in the following: The hypotheis test is completed at the 0.05 level of significance.

  What is the probability of gaining weight

Antidepressant is normally distributed with a mean of 6 lbs and a standard deviation of 3 lbs. What is the probability of weight gain? What is the probability of gaining between 0 and 12 lbs?

  Determine t-test for two independent samples

Do you view a chocolate bar as delicious or as fattening? Your attitude may depend on your gender. In a study of American college students, Rozin, Bauer and Catanese (2003) examined the importance of food as a source of pleasure versus concerns ab..

  Create a bar chart with an appropriate vertical axis

Create a bar chart with an appropriate vertical axis, horizontal axis, and title - what your final chart should look like, although your titles and numbers will be different. Remove my example and insert your own.

  If a random variable x has the uniform 01 distribution and

if a random variable x has the uniform 01 distribution and y2x-1. find pyley for all such values y by reexpressing the

  Problem will cause and how should difficulty be resolved

The smallest quantity in a cell is minus 35, but two different cells with minus signs have 35 units in them. What problem will this cause and how should this difficulty be resolved?

  Assuming a worst case scenario of 16 male passengers find

womens weights are normally distributed with a mean of 143 lb and a standard deviation of 29 lb and mens weights are

  Analyze each of the two data sets

Comparing Data Sets Using the systolic blood pressure levels and the elbow breadths of women, as listed in Data Set 1, analyze each of the two data sets and determine whether each appears to come from a normally distributed population

  Find the 98 confidence interval for this tax in all 50

question a sample of 17 states has the cigarette taxes in cents listed112 120 98 55

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd