Упражнение 55. Переведите следующие предложения

1. When statistical considerations are not incorporated in the design of an experiment, statistical analyses of the results are often inconclusive or, worse yet, misleading. 2. The purpose of including interaction terms in regression models is to improve the fit either because theoretical considerations require a modeling of the joint effects or because an analysis of regression data indicates that joint effects are needed in addition to the linear terms of the individual variables. 3. As with most statistical procedures, sample-size considerations have an important effect on the performance of statistical tests for normality. 4. The company has recently introduced the Jabra BT8040, which promises to blow other Bluetooth headsets out of the water with its simple, yet elegant design along with its impressive host of features. 5. Some computer aided pump selection tools include a feature that compensates for the pump performance curves based on input of the liquid density and viscosity. 6. Likewise, whether one simply wishes to describe the results of an experiment or one wishes to draw inferential conclusions about a process, statistical data-analysis techniques aid in clearly and concisely summarizing salient features of experimental data. 7. Nodular iron is normally used for pump parts with high strength requirements (high pressure or high temperature applications). 8. All rising mains laid out in difficult terrains require careful planning and site-specific considerations and technical solutions. 9. Horizontal pumps do not normally require special considerations for the start levels, if the suction pipe is designed to prevent air pockets from forming. 10. The determination of sample-size requirements for certain types of experimental settings is presented in Section 2.7.