# Statistics

The cost of 14 models of digitals cameras at a ca

The cost of 14 models of digitals cameras at a camera specialty store during 2014 was as follows: 340 450 450 280 220 340 290 370 400 310 340 430 270 380 1. Compute mean, median, mode, first and third quartile. 2. Compute the variance, standard deviation, range, interquartile range, coefficient of variation, standard error […]

S ales of single-family houses have been brisk in

S ales of single-family houses have been brisk in Mid City this year. This has especially been true in older, more established neighborhoods, where housing is relatively inexpensive compared to the new homes being built in the newer neighborhoods. Nevertheless, there are also many families who are willing to pay a higher price for the […]

The percentage of people in a population with a c

The percentage of people in a population with a certain ailment (Ailment A) is 15%. A. If you select a sample of 10 people from this population, what is the probability at least half of them have Ailment A? B. What is the probability at most 3 of them would have this ailment? C. If […]

RES 531 Week 6 Assignment 4-Research Questions

This paper of RES 531 Week 6 Assignment 4 – Research Questions comprises:This is the third section of your Research Project paper. The major research question or hypothesis is derived from the problem statement. The research question or hypothesis is almost always broken down into applicable and manageable sub-questions or sub-hypotheses. These sub-questions guide your […]

A golf ball manufacturer desires to compare the d

A golf ball manufacturer desires to compare the distance traveled by golf balls using four unique designs. Fifteen balls were manufactured and each was brought to the local golf course for testing by the local pro. The order of the golf balls hit by the professional was randomized so the pro did not know which […]

From the random sample of 100 cones of vanilla i

From the random sample of 100 cones of vanilla ice-cream, it is found that 6 of them have to be disposed because of air bubbles caused by non-uniform flow of ice-cream from the dispensing machine. The disposed ice-cream cones are considered defective. Perform an estimate on the proportion of defective ice-cream cones using a 95% […]

Suppose a bag of 50 marbles, of which, 20 are blu

Suppose a bag of 50 marbles, of which, 20 are blue, 16 are white and 14 are pink. If two marbles are selected at random, complete the following: a. Sketch a tree diagram illustrating the probabilities of all possible combinations b. what is the probability that both marbles are white? c. what is the probability […]

In the 1960s, data were collected on the weights

In the 1960s, data were collected on the weights of people to determine the safe passenger capacity of aircraft. Using a random sample the mean weight was found to be 166.3 lbs. In recent decades, the mean weight of the population has increased considerably, so we need to update our estimate of that mean. Recently, […]

Critical Thinking 2

Option 1: Springdale Shopping Survey Instructions The major shopping areas in the community of Springdale include Springdale Mall, West Mall, and the downtown area on Main Street. A telephone survey has been conducted to identify strengths and weaknesses of these areas and to find out how they fit into the shopping activities of local residents. […]

RES 341 Week 4 Individual Assignment Exercises From the E-Text

This pack includes RES 341 Week 4 Individual Assignment Exercises From the E-Text