Summary: Note: This module is currently under revision, and its content is subject to change. This module is being prepared as part of a statistics textbook that will be available for the Fall 2008 semester.
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Chapter (1st used)  Symbol  Spoken  Meaning 

1  The square root of  same  
1  Pi  3.14159… (a specific number)  
2  Quartile one  the first quartile  
2  Quartile two  the second quartile  
2  Quartile three  the third quartile  
2  interquartile range  Q3Q1 = IQR  
2  xbar  sample mean  
2  mu  population mean  
2  s sx sx  s  sample standard deviation 
2  s2 s2x  ssqaured  sample variance 
2  σ σx σx  sigma  population standard deviation 
2  σ2 σ2x  sigmasquared  population variance 
2  capital sigma  sum  
3  brackets  set notation  
3  S  sample space  
3  Event A  event A  
3  probability of A  probability of A occurring  
3  probability of A given B  prob. of A occurring given B has occurred  
3  prob. of A or B  prob. of A or B or both occurring  
3  prob. of A and B  prob. of both A and B occurring (same time)  
3  Aprime, complement of A  complement of A, not A  
3  prob. of complement of A  same  
3  green on first pick  same  
3  prob. of green on first pick  same  
4  prob. distribution function  same  
4  X  the random variable X  
4  the distribution of X  same  
4  binomial distribution  same  
4  geometric distribution  same  
4  hypergeometric dist.  same  
4  Poisson dist.  same  
4  Lambda  average of Poisson distribution  
4  greater than or equal to  same  
4  less than or equal to  same  
4  equal to  same  
4  not equal to  same  
5  f of x  function of x  
5  prob. density function  same  
5  uniform distribution  same  
5  exponential distribution  same  
5  k  critical value  
5  f of x equals  same  
5  m  decay rate (for exp. dist.)  
6 

normal distribution  same 
6 

zscore  same 
6 

standard normal dist.  same 
7 

Central Limit Theorem  same 
7 

Xbar  the random variable Xbar 
7 

mean of X  the average of X 
7 

mean of Xbar  the average of Xbar 
7 

standard deviation of X  same 
7 

standard deviation of Xbar  same 
7  sum of X  same  
7  sum of x  same  
8 

confidence level  same 
8 

confidence interval  same 
8 

error bound for a mean  same 
8 

error bound for a proportion  same 
8 

studentt distribution  same 
8 

degrees of freedom  same 
8  studentt with a/2 area in right tail  same  
8  p' p  phat  sample proportion of success 
8  P' P  distribution of phat  dist. of sample proportions 
8  q' q  qhat  sample proportion of failure 
9 

Hnaught, Hsub 0  null hypothesis 
9 

Ha, Hsub a  alternate hypothesis 
9 

H1, Hsub 1  alternate hypothesis 
9 

alpha  probability of Type I error 
9 

beta  probability of Type II error 
10 

X1bar minus X2bar  difference in sample means 

mu1 minus mu2  difference in population means  

P1hat minus P2hat  difference in sample proportions  

p1 minus p2  difference in population proportions  
11  Kysquare  Chisquare  
Observed  Observed frequency  
Expected  Expected frequency  
12  y equals a plus bx  equation of a line  
yhat  estimated value of y  
correlation coefficient  same  
error  same  
Sum of Squared Errors  same  
1.9 times s  cutoff value for outliers  
13  F ratio  F ratio 