Two samples, each with n = 5 scores, have a pooled variance of 40. what is the estimated standard error for the sample mean difference? √20 10 4 8

What statement is true? 2x^2-9x+2=-1

If rt is greater than ba, which statement must be true ?

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96