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a travel agency claims that at least 58 of all airline bookings are made online however a sample of 70 airline
1describe what a scatter diagram would look like for each of the following situationsaa perfect correlationba weak
which measure of central tendency is most applicable for the variable gender explain your answer for a total of 8 marks
FreakyTatts Ink Company mixes three additives, A1, A2, and A3, in different proportions, and a base to obtain different colors of ink. Red ink is obtained by mixing A1, A2, and A3 in the ratio of 1:
Illustrate and interpret the rare event rule for inferential statistics. Determine the p-value? What does the p-value tell us?
Permit x be the number of policyholder who make at least one claim to a large insurance company. Suppose that there are 2000 policyholders and that each one has probability 0.2 of making at least on
Assuming the number of white blood cells per unit of volume of diluted blood counted under a microscope follows a Poisson distribution with , what is the probability, using a normal approximation, t
Question 1: The length of human pregnancies from conception to birth varies according to a distribution that is approximately Normal with a mean of 266 days and standard deviation of 16 days.
in the first series of rolls of a die the number of odd numbers exceeded the number of even numbers by 5 in the
question 1 the mcdougal sandwich shop has two windows available for serving customers who arrive at a poisson rate of
objectives construct a scatter plot for two variables compute the correlation coefficient compute the formula for the
there are t people who will deposit money into bank at time t which uniformly distributes on 0t each of them has 1t
part a dependent t testfor this assignment we are interested in finding out whether participation in a creative writing
in performing a symemetric approximation you calculate a mean of the total system cost as 1800k the variance is 2500k
this problem focuses on nonparametric methods when a researcher is not in a situation to be able to assume parametric
deciding on the number of observations to include in a sample is an important decision when planning a reasearch
approximately 25 of tourist going to atlantic city to gamble spend more than 500 the atlantic city chamber of
please find the partial multiple regression analysis performed to explore the relation between the sales in hundreds
the director of transportation of a large company is interested in the usage of her van pool she considers her routes
in a study of dyslipidemia a sample of 18 male participants was drawn from male adult population and a sample of 36
in a recent advertising campaign applebees restaurant offered diners a special 3-course menu for 1599 the menu
in one of mendels experiments with plants 1064 offspring consisted of 787 plants with long stems according to mendels
listed below are measured amounts of lead in micrograms per cubic meter or mugm3 in the air the environmental
1what are the most common reasons you would select a non-parametric test over the parametric alternative 2discuss the
question 1 cindy and jack want to stay up on christmas eve to see if santa claus is real typically their bedtime is 9pm