$D$2: =(B2+C2)/2
$E$2: =C2-B2
$D$3: =(B3+C3)/2
$E$3: =C3-B3
$D$4: =(B4+C4)/2
$E$4: =C4-B4
$D$5: =(B5+C5)/2
$E$5: =C5-B5
$D$6: =(B6+C6)/2
$E$6: =C6-B6
$D$7: =(B7+C7)/2
$E$7: =C7-B7
$D$8: =(B8+C8)/2
$E$8: =C8-B8
$D$9: =(B9+C9)/2
$E$9: =C9-B9
$D$10: =(B10+C10)/2
$E$10: =C10-B10
$D$11: =(B11+C11)/2
$E$11: =C11-B11
$D$12: =(B12+C12)/2
$E$12: =C12-B12
$D$13: =(B13+C13)/2
$E$13: =C13-B13
$D$14: =(B14+C14)/2
$E$14: =C14-B14
$D$15: =(B15+C15)/2
$E$15: =C15-B15
$D$16: =(B16+C16)/2
$E$16: =C16-B16
$D$17: =(B17+C17)/2
$E$17: =C17-B17
$D$18: =(B18+C18)/2
$E$18: =C18-B18
$D$19: =(B19+C19)/2
$E$19: =C19-B19
$D$20: =(B20+C20)/2
$E$20: =C20-B20
$D$21: =(B21+C21)/2
$E$21: =C21-B21
$D$22: =(B22+C22)/2
$E$22: =C22-B22
$D$23: =(B23+C23)/2
$E$23: =C23-B23
$D$24: =(B24+C24)/2
$E$24: =C24-B24
$D$25: =(B25+C25)/2
$E$25: =C25-B25
$D$26: =(B26+C26)/2
$E$26: =C26-B26
$J$26: =E103
$D$27: =(B27+C27)/2
$E$27: =C27-B27
$J$27: =J26
$D$28: =(B28+C28)/2
$E$28: =C28-B28
$J$28: =E102
$D$29: =(B29+C29)/2
$E$29: =C29-B29
$J$29: =J28
$D$30: =(B30+C30)/2
$E$30: =C30-B30
$J$30: =E100
$D$31: =(B31+C31)/2
$E$31: =C31-B31
$J$31: =J30
$D$32: =(B32+C32)/2
$E$32: =C32-B32
$D$33: =(B33+C33)/2
$E$33: =C33-B33
$D$34: =(B34+C34)/2
$E$34: =C34-B34
$D$35: =(B35+C35)/2
$E$35: =C35-B35
$D$36: =(B36+C36)/2
$E$36: =C36-B36
$D$37: =(B37+C37)/2
$E$37: =C37-B37
$D$38: =(B38+C38)/2
$E$38: =C38-B38
$D$39: =(B39+C39)/2
$E$39: =C39-B39
$D$40: =(B40+C40)/2
$E$40: =C40-B40
$D$41: =(B41+C41)/2
$E$41: =C41-B41
$D$42: =(B42+C42)/2
$E$42: =C42-B42
$D$43: =(B43+C43)/2
$E$43: =C43-B43
$D$44: =(B44+C44)/2
$E$44: =C44-B44
$D$45: =(B45+C45)/2
$E$45: =C45-B45
$D$46: =(B46+C46)/2
$E$46: =C46-B46
$D$47: =(B47+C47)/2
$E$47: =C47-B47
$D$48: =(B48+C48)/2
$E$48: =C48-B48
$D$49: =(B49+C49)/2
$E$49: =C49-B49
$D$50: =(B50+C50)/2
$E$50: =C50-B50
$D$51: =(B51+C51)/2
$E$51: =C51-B51
$D$52: =(B52+C52)/2
$E$52: =C52-B52
$D$53: =(B53+C53)/2
$E$53: =C53-B53
$D$54: =(B54+C54)/2
$E$54: =C54-B54
$D$55: =(B55+C55)/2
$E$55: =C55-B55
$D$56: =(B56+C56)/2
$E$56: =C56-B56
$D$57: =(B57+C57)/2
$E$57: =C57-B57
$D$58: =(B58+C58)/2
$E$58: =C58-B58
$D$59: =(B59+C59)/2
$E$59: =C59-B59
$D$60: =(B60+C60)/2
$E$60: =C60-B60
$D$61: =(B61+C61)/2
$E$61: =C61-B61
$D$62: =(B62+C62)/2
$E$62: =C62-B62
$D$63: =(B63+C63)/2
$E$63: =C63-B63
$D$64: =(B64+C64)/2
$E$64: =C64-B64
$D$65: =(B65+C65)/2
$E$65: =C65-B65
$D$66: =(B66+C66)/2
$E$66: =C66-B66
$D$67: =(B67+C67)/2
$E$67: =C67-B67
$D$68: =(B68+C68)/2
$E$68: =C68-B68
$D$69: =(B69+C69)/2
$E$69: =C69-B69
$D$70: =(B70+C70)/2
$E$70: =C70-B70
$D$71: =(B71+C71)/2
$E$71: =C71-B71
$D$72: =(B72+C72)/2
$E$72: =C72-B72
$D$73: =(B73+C73)/2
$E$73: =C73-B73
$D$74: =(B74+C74)/2
$E$74: =C74-B74
$D$75: =(B75+C75)/2
$E$75: =C75-B75
$D$76: =(B76+C76)/2
$E$76: =C76-B76
$D$77: =(B77+C77)/2
$E$77: =C77-B77
$D$78: =(B78+C78)/2
$E$78: =C78-B78
$D$79: =(B79+C79)/2
$E$79: =C79-B79
$D$80: =(B80+C80)/2
$E$80: =C80-B80
$D$81: =(B81+C81)/2
$E$81: =C81-B81
$D$82: =(B82+C82)/2
$E$82: =C82-B82
$D$83: =(B83+C83)/2
$E$83: =C83-B83
$D$84: =(B84+C84)/2
$E$84: =C84-B84
$D$85: =(B85+C85)/2
$E$85: =C85-B85
$D$86: =(B86+C86)/2
$E$86: =C86-B86
$D$87: =(B87+C87)/2
$E$87: =C87-B87
$D$88: =(B88+C88)/2
$E$88: =C88-B88
$D$89: =(B89+C89)/2
$E$89: =C89-B89
$D$90: =(B90+C90)/2
$E$90: =C90-B90
$D$91: =(B91+C91)/2
$E$91: =C91-B91
$D$92: =(B92+C92)/2
$E$92: =C92-B92
$D$93: =(B93+C93)/2
$E$93: =C93-B93
$D$94: =(B94+C94)/2
$E$94: =C94-B94
$D$95: =(B95+C95)/2
$E$95: =C95-B95
$D$96: =(B96+C96)/2
$E$96: =C96-B96
$D$97: =(B97+C97)/2
$E$97: =C97-B97
$D$98: =(B98+C98)/2
$E$98: =C98-B98
$E$100: =AVERAGE(E2:E98)
$E$101: =STDEV.S(E2:E98)
$E$102: =E100-1.96*E101
$E$103: =E100+1.96*E101
