Grade 11 and 12 Mathematics (Moderator: geoffrey)

The Empirical Rule can be applied to any numerical data set. Indicate whether the statement is ...

Started by DelorasTo

For larger sample sizes, a rough approximation for the sample standard deviation s is that s R / 4, ...

Started by eruditmonkey@yahoo.com

Since Tchebysheff's Theorem applies to any distribution, it is very conservative. Indicate whether ...

Started by Cooldude101

Tchebysheff's Theorem applies only to data sets that have a mound-shaped distribution. Indicate ...

Started by colton

While Tchebysheff's Theorem applies to any distribution, regardless of shape, the empirical rule ...

Started by newyorker26

The mean of forty sales receipts is 69.75 and the standard deviation is 10.25 . Using Tchebysheff's ...

Started by moongchi

According to Tchebysheff's Theorem, at least 96 of observations should fall within 5 standard ...

Started by dejastew

Tchebysheff's Theorem provides us with a measure of shape that focuses on the difference between the ...

Started by Shelles

The distribution of checking account balances for customers at Independent Bank is known to be bell ...

Started by fagboi

The distribution of dollars paid for home insurance by home owners in Detroit is bell - shaped with ...

Started by Metfan725

The distribution of credit card balances for customers is highly skewed to the right with a mean of ...

Started by jazziefee

From a sample of size 100, the following descriptive measures were calculated: median = 23, mean = ...

Started by aabwk4

Tchebysheff's Theorem states that the percentage of measurements in a data set that fall within ...

Started by lindiwe

Given a distribution of measurements that is approximately mound-shaped, the Empirical Rule states ...

Started by mcmcdaniel

Whenever a statistical population can be described, at least roughly, by the perfectly symmetrical, ...

Started by bobthebuilder

The lengths of screws produced by a machine are normally distributed with a mean of 3 inches and a ...

Started by iveyjurea

The distribution of actual weight of tomato soup in a 16 ounce can is thought to be bell-shaped with ...

Started by maychende

Incomes of workers in an automobile company in Michigan are known to be right - skewed with a mean ...

Started by jenna1

Z-scores exceeding 3 in absolute value are likely to occur. Indicate whether the statement is true ...

Started by hbsimmons88

Any unusually large observation (as measured by a z-score greater than 3), or any unusually small ...

Started by ss2343

The 10th percentile of a set of measurements is the value which exceeds 90 of the measurements and ...

Started by OSWALD

The difference between the largest and smallest values in an ordered array is called the ...

Started by Davideckstein7

Quartiles divide the values in a data set into four parts of equal size. Indicate whether the ...

Started by laurencescou

The interquartile range is the difference between the lower and upper quartiles. Indicate whether ...

Started by tuffie

Expressed in percentiles, the upper quartile is the 75th percentile. Indicate whether the ...

Started by panfilo