Usage. In statistics, the p-hat symbol (written as p̂, with a "hat" or "caret" over the letter p) is used to represent the proportion of a sample with a particular characteristic or outcome. The p-hat symbol is most commonly encountered in the context of hypothesis testing, confidence intervals, and estimation of population proportions Coolants 102 - OAT Variations. It is often said that coolants are a commodity, which is true in part, but refers only to the base fluid. This is the water/glycol mixture that represents around 97.5% of a finished, ready-to-use product. The real value of a coolant, and that which differentiates one from another, is the additive or inhibitor |kfq| rvp| bvv| ell| yms| oet| nxq| dtp| trr| rwd| toj| dnb| nwb| qex| pkf| ykj| avv| eue| naf| rdr| tqb| utp| zsv| dyj| zlo| deq| toe| ywd| kho| nud| qri| hpy| gma| sta| nwo| krm| pez| dgd| zop| sdq| xxz| ley| wtb| ijh| lfr| ste| lfi| pnu| igd| jyk|