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two-tailed z testthinking challenge
two-tailed z test
thinking challenge
you are a Q/C inspector. you want to find out if a new machine is making electrical cards to customer specification: average breaking strength of 70 lb. with 3,5 lb. you take a sample of 36 cards and compute a sample mean of 69,7 lb. at the 0,05 level, is there evidence that the machine is not meeting the average breaking strength?
thinking challenge
you are a Q/C inspector. you want to find out if a new machine is making electrical cards to customer specification: average breaking strength of 70 lb. with 3,5 lb. you take a sample of 36 cards and compute a sample mean of 69,7 lb. at the 0,05 level, is there evidence that the machine is not meeting the average breaking strength?
0/5000
two-tailed z testthinking challengeyou are a Q/C inspector. you want to find out if a new machine is making electrical cards to customer specification: average breaking strength of 70 lb. with 3,5 lb. you take a sample of 36 cards and compute a sample mean of 69,7 lb. at the 0,05 level, is there evidence that the machine is not meeting the average breaking strength?
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dua ekor z uji
tantangan pemikiran
Anda adalah Q / C inspektur. Anda ingin mengetahui apakah mesin baru adalah membuat kartu listrik untuk spesifikasi pelanggan: kekuatan putus rata-rata 70 lb dengan 3,5 lb Anda mengambil sampel dari 36 kartu dan menghitung rata-rata sampel dari 69,7 lb di level 0,05, tidak ada bukti bahwa mesin tidak memenuhi kekuatan putus rata?
tantangan pemikiran
Anda adalah Q / C inspektur. Anda ingin mengetahui apakah mesin baru adalah membuat kartu listrik untuk spesifikasi pelanggan: kekuatan putus rata-rata 70 lb dengan 3,5 lb Anda mengambil sampel dari 36 kartu dan menghitung rata-rata sampel dari 69,7 lb di level 0,05, tidak ada bukti bahwa mesin tidak memenuhi kekuatan putus rata?
Being translated, please wait..
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