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Systematic error causes the mean of a data set to differ from the accepted value.
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- A volumetric calcium analysis on triplicate samples of the blood serum of a patient believed to be suffering from a hyperparathyroid condition produced the following data: mmol Ca/L = 3.15, 3.25, 3.26. What is the 95% confidence interval for the mean of the data, assuming no prior information about the precision of the analysis?What is the meaning of a confidence interval?7. From the normal curve of error, find the probability that a result is outside the limits of ±2σ from the mean. What is the probability that a result has a more negative deviation from the mean than -2σ?
- What is the median of the values 6.12, 7.00, 7.59, 4.11, 5.00, 5.02, and 9.56?What is the mean of the values 7.5, 7.7, 4.2, 3.7, and 3.0? Give your answer to the first decimal place.With Clear Explanation of Each Example ᴅɪʀᴇᴄᴛɪᴏɴꜱ: ᴄᴏɴꜱɪᴅᴇʀ ᴛʜᴇ ɢɪᴠᴇɴ ꜱᴛᴀᴛᴇᴍᴇɴᴛ ʙᴇʟᴏᴡ ᴀɴᴅ ᴘʀᴏᴠɪᴅᴇ ᴀɴ ᴀᴘᴘʀᴏᴘʀɪᴀᴛᴇ ᴇxᴀᴍᴘʟᴇꜱ ᴀɴᴅ ꜱᴜᴘᴘᴏʀᴛ ʏᴏᴜʀ ᴀɴꜱᴡᴇʀ ʙʏ ᴄɪᴛɪɴɢ ᴛʜᴇ ᴄᴏɴᴄᴇᴘᴛ. ᴍᴀɴʏ ᴘᴇᴏᴘʟᴇ ʜᴀᴠᴇ ꜱᴇᴇɴ ᴍᴀɢɴᴇᴛꜱ ᴘʀɪᴍᴀʀɪʟʏ ᴀꜱ ᴛᴏʏꜱ ᴏʀ ᴀꜱ ᴏʙᴊᴇᴄᴛꜱ ᴛʜᴀᴛ ᴋᴇᴇᴘ ᴍᴀᴛᴇʀɪᴀʟꜱ ᴀᴛᴛᴀᴄʜᴇᴅ ᴛᴏ ᴀ ᴍᴇᴛᴀʟ ꜱᴜʀꜰᴀᴄᴇ. ᴍᴀɢɴᴇᴛꜱ ᴘʟᴀʏ ᴄʀᴜᴄɪᴀʟ ʀᴏʟᴇꜱ ɪɴ ᴏᴜʀ ᴅᴀɪʟʏ ʟɪᴠᴇꜱ. ɢɪᴠᴇ ᴀᴛ ʟᴇᴀꜱᴛ ₅ ᴇxᴀᴍᴘʟᴇꜱ ᴏꜰ ᴍᴀɢɴᴇᴛꜱ ᴀɴᴅ ᴅɪꜱᴄᴜꜱꜱ ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ꜰᴏʀᴄᴇ ᴘʀᴏᴅᴜᴄᴇᴅ ʙʏ ᴛʜᴇᴍ.
- Explain the difference between random sampling and haphazard sampling as used in Analytical chemistry.5.61 x 10^-12 is the kspᴀᴄᴛɪᴠɪᴛʏ ₃: ʀᴇᴀᴄᴛɪᴏɴꜱ ᴏʀ ᴛᴇᴄʜɴɪQᴜᴇꜱ ɪɴ ʏɪᴇʟᴅɪɴɢ ᴏᴄ!ᴅɪʀᴇᴄᴛɪᴏɴꜱ: ɪᴅᴇɴᴛɪꜰʏ ᴛʜᴇ ʀᴇᴀᴄᴛɪᴏɴ ᴏʀ ᴘʀᴏᴄᴇꜱꜱ ʙᴇɪɴɢ ᴅᴇꜱᴄʀɪʙᴇᴅ._________________ ₁. ɪᴛ ɪꜱ ᴀ ᴍᴇᴛᴀʙᴏʟɪᴄ ᴘʀᴏᴄᴇꜱꜱ ɪɴ ᴡʜɪᴄʜ ᴀɴ ᴏʀɢᴀɴɪꜱᴍ ᴄᴏɴᴠᴇʀᴛꜱ ᴀᴄᴀʀʙᴏʜʏᴅʀᴀᴛᴇ, ꜱᴜᴄʜ ᴀꜱ ꜱᴛᴀʀᴄʜ ᴏʀ ᴀ ꜱᴜɢᴀʀ, ɪɴᴛᴏ ᴀɴ ᴀʟᴄᴏʜᴏʟ ᴏʀᴀɴ ᴀᴄɪᴅ. _________________ ₂. ᴛʜɪꜱ ʀᴇᴀᴄᴛɪᴏɴ ɪꜱ ᴅᴏɴᴇ ᴛʜʀᴏᴜɢʜ ʀᴇᴍᴏᴠᴀʟ ᴏꜰ ᴡᴀᴛᴇʀ ᴀɴᴅ ᴍᴀʏ ʏɪᴇʟᴅ ᴀɴ ᴀʟᴋᴇɴᴇ ᴀɴᴅ ᴀ ᴍᴏʟᴇᴄᴜʟᴇ ᴏꜰ ᴡᴀᴛᴇʀ. _________________ ₃. ɪᴛ ɪꜱ ᴀ ᴘʀᴏᴄᴇꜱꜱ ʙʏ ᴡʜɪᴄʜ ᴄᴏᴍᴘᴏɴᴇɴᴛꜱ ɪɴ ᴀ ᴄʜᴇᴍɪᴄᴀʟ ᴍɪxᴛᴜʀᴇ ᴀʀᴇꜱᴇᴘᴀʀᴀᴛᴇᴅ ɪɴᴛᴏ ᴅɪꜰꜰᴇʀᴇɴᴛ ᴘᴀʀᴛꜱ (ᴄᴀʟʟᴇᴅ ꜰʀᴀᴄᴛɪᴏɴꜱ) ᴀᴄᴄᴏʀᴅɪɴɢ ᴛᴏᴛʜᴇɪʀ ᴅɪꜰꜰᴇʀᴇɴᴛ ʙᴏɪʟɪɴɢ ᴘᴏɪɴᴛꜱ. _________________ ₄. ɪɴ ʟᴀʙᴏʀᴀᴛᴏʀʏ, ɪᴛ ɪꜱ ᴜꜱᴜᴀʟʟʏ ᴄᴀʀʀɪᴇᴅ ᴏᴜᴛ ᴡɪᴛʜ ᴀᴄᴇᴛʏʟ ᴀɴʜʏᴅʀɪᴅᴇ._________________ ₅. ɪᴛ ɪꜱ ʀᴇᴀᴄᴛɪᴏɴ ᴛʜᴀᴛ ɪꜱ ᴜꜱᴇᴅ ᴛᴏ ᴏʙᴛᴀɪɴ ᴇꜱᴛᴇʀꜱ ʙʏ ᴛʜᴇ ʜʏᴅʀᴏxʏʟ ɢʀᴏᴜᴘᴏꜰ ᴛʜᴇ ᴄᴀʀʙᴏxʏʟɪᴄ ᴀᴄɪᴅ ᴀᴄᴛꜱ ᴀꜱ ᴀ ʟᴇᴀᴠɪɴɢ ɢʀᴏᴜᴘ ᴀɴᴅ ꜰᴏʀᴍꜱ ᴛʜᴇᴡᴀᴛᴇʀ ᴍᴏʟᴇᴄᴜʟᴇ ɪɴ ᴛʜᴇ ꜰɪɴᴀʟ ᴘʀᴏᴅᴜᴄᴛ. ɪᴛ ɪꜱ ʀᴇᴘʟᴀᴄᴇᴅ ʙʏ ᴛʜᴇ -ᴏʀɢʀᴏᴜᴘ ꜰʀᴏᴍ ᴛʜᴇ ᴀʟᴄᴏʜᴏʟ.