• An error could occur in the first test and prevent the variable's value from being set, thus resulting in the other tests receiving a null value.

    错误可以发生测试期间,阻止您去设置变量导致其他测试接受一个值。

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  • In that case, get returns null, making it even more important than usual to test the return value of get for null.

    这种情况下get返回null,这使得测试get返回是否null变得平时重要了。

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  • To test your null hypothesis, you want to know the probability of obtaining a value this extreme under the assumption that it is due to random sampling variability.

    检验虚假需要知道假设存在随机抽样可变性情况获得这么一个极限值概率

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  • Use any (non-null) value for user ID and password, and click the Test Connection button.

    使用任意非空作为用户ID密码单击TestConnection按钮

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  • In this case, rather than an exception being thrown, the "test" value isn't being found; null is being popped.

    这种情况下不是抛出一个异常,而是没有发现test实际弹出null

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  • The z-Test tool can also be used for the case where the null hypothesis is that there is a specific nonzero value for the difference between the two population means.

    检验工具用于两个总体平均值之间差异具有特定非零空值假设情况

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  • The z-Test tool can also be used for the case where the null hypothesis is that there is a specific nonzero value for the difference between the two population means.

    检验工具用于两个总体平均值之间差异具有特定非零空值假设情况

    youdao

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