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发表于 2025-3-25 04:39:31
Comparing Means and Variances,In this section we consider a very important and widely used test in statistics called the .-test which is designed to compare the mean values in two independent normally distributed populations A and B. Let us first consider an example.
deficiency
发表于 2025-3-25 11:23:54
Measurements in Special Circumstances,For sake of simplicity, assume that the measurement results are integers on a unit-step grid, i.e. the measurement results may be ..., –2, –1, –2, –1, 0, 1, 2,... In the notation of Sect. 2.2, the interval between instrument scale readings is . = 1.
Arresting
发表于 2025-3-25 13:22:21
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山间窄路
发表于 2025-3-25 16:17:07
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dura-mater
发表于 2025-3-25 22:43:59
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decipher
发表于 2025-3-26 02:47:54
Measurement Uncertainty: Error Propagation Formula,zed results from measuring pull strength. In most real-life situations, the measurement process involves . quantities whose measurement result is subject to uncertainty. To clarify the exposition, let us consider a rather simple example.
中国纪念碑
发表于 2025-3-26 05:57:45
Measuring Population Mean and Standard Deviation,cts. The population in our case is the totality of weight measurements of the daily batch of apples sorted by the device. The experiment consists of weighing a random sample of 20 apples taken from the batch. The results are summarized in Table 2.1.
折磨
发表于 2025-3-26 10:40:28
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canonical
发表于 2025-3-26 14:32:54
Measurement Uncertainty: Error Propagation Formula,zed results from measuring pull strength. In most real-life situations, the measurement process involves . quantities whose measurement result is subject to uncertainty. To clarify the exposition, let us consider a rather simple example.
荧光
发表于 2025-3-26 17:41:11
Calibration of Measurement Instruments,on in mg/dl in certain substances. For this purpose, a spectrophotometric method is used. Without going into detail, let us note that the response of the measurement device y is the so-called . which depends on the concentration . So, the measurement instrument provides us with a value y, the respon